[{"data":1,"prerenderedAt":380},["ShallowReactive",2],{"header-nav-data":3,"related-news":269,"news-a-pink-sapphire-with-questionable-heat-treatment":374},{"reports":4,"labs":108,"courses":226},[5,35,54,72,90],{"id":6,"slug":7,"name":8,"name_zh":9,"tagline":10,"tagline_zh":11,"category":12,"category_zh":12,"is_published":13,"sort_order":14,"created_at":15,"last_updated_at":16,"available_categories":17,"available_locations":21,"images":26},5,"guild-folio","GUILD FOLIO","高级报告","FOLIO Report is a professionally profound and uniquely insightful gemological document, meticulously bespoke for collector-grade jewelry and presented as a premium, book-bound masterpiece within an elegant gift box.","FOLIO 报告是一份具有专业深度和独特见解的宝石学报告，为收藏级珠宝精心定制，并以高级精装书卷的形式呈现在优雅的礼盒中。",null,true,70,"2026-02-06T11:31:22","2026-03-30T17:25:34",[18,19,20],"colored-stones","feicui","pearl",[22,23,24,25],"china-mainland","thailand","sri-lanka","hongkong",[27,31],{"id":28,"image_url":29,"image_type":30},10,"https://project-static.guildgemedu.com/project/b85464b6-14f4-4346-8fe3-4fbb30faf542.png","transparent_clean_shot",{"id":32,"image_url":33,"image_type":34},16,"https://project-static.guildgemedu.com/project/1aadc859-3c3f-43cc-80ac-318a4d52b457.jpg","atmospheric_contextual",{"id":36,"slug":37,"name":38,"name_zh":39,"tagline":40,"tagline_zh":41,"category":12,"category_zh":12,"is_published":13,"sort_order":42,"created_at":43,"last_updated_at":44,"available_categories":45,"available_locations":46,"images":47},1,"standard-report","Standard Report","常规检测报告","Standard Report provides a versatile diagnostic framework for all colored gemstone varieties, delivering critical data on identification, treatment status, and color grading to establish a comprehensive profile for every specimen.","常规报告为彩色宝石品种提供了一个多功能的鉴定框架，提供关于鉴定、优化处理和颜色分级的关键数据，为每一颗标本建立全面的档案。",50,"2026-02-06T11:07:09","2026-03-30T17:18:27",[18,19],[23,24,25,22],[48,51],{"id":49,"image_url":50,"image_type":30},13,"https://project-static.guildgemedu.com/project/72303f7d-3498-4f8f-b084-dfdd23a8cb88.png",{"id":52,"image_url":53,"image_type":34},14,"https://project-static.guildgemedu.com/project/b3bbc130-04c4-477f-81d9-512ba6491353.jpg",{"id":55,"slug":56,"name":57,"name_zh":58,"tagline":59,"tagline_zh":60,"category":12,"category_zh":12,"is_published":13,"sort_order":61,"created_at":62,"last_updated_at":63,"available_categories":64,"available_locations":65,"images":66},3,"pearl-grading-report","Pearl Grading Report","珍珠分级鉴定报告","It offers a comprehensive gemological analysis for all pearl categories, featuring a structured four-part layout—Certificate Information, Pearl Information, Identification Details, and Key Conclusions—to cover every essential detail for buyers.","该报告为所有珍珠类别提供全面的宝石学分析，采用结构化的四部分布局——证书信息、珍珠信息、检测细节和关键结论——涵盖消费者关注的每一个核心细节。",30,"2026-02-06T11:25:33","2026-03-30T17:22:39",[20],[22],[67,69],{"id":6,"image_url":68,"image_type":34},"https://project-static.guildgemedu.com/project/b6d3b2d1-cdd9-42dd-be4d-75ded1bfae09.jpg",{"id":70,"image_url":71,"image_type":30},6,"https://project-static.guildgemedu.com/project/6c4c7330-51e8-4b2e-af46-f217e3a6e0e5.png",{"id":73,"slug":74,"name":75,"name_zh":76,"tagline":77,"tagline_zh":78,"category":12,"category_zh":12,"is_published":13,"sort_order":79,"created_at":80,"last_updated_at":81,"available_categories":82,"available_locations":83,"images":84},2,"dossier-report","Dossier Report","Dossier报告","Dossier Report is a streamlined gemological document specifically engineered for colored stones under one carat, offering highly efficient identification, color grading, and origin determination across all gemstone varieties.","Dossier 报告是专为一克拉以下的彩色宝石设计的精简版宝石证书，为各类宝石提供高效的鉴定、颜色分级和产地鉴定服务。",25,"2026-02-06T11:22:28","2026-03-30T17:21:00",[18],[22,23,24,25],[85,87],{"id":55,"image_url":86,"image_type":34},"https://project-static.guildgemedu.com/project/77d5bd95-75cd-423d-aea9-0f276bee3e61.jpg",{"id":88,"image_url":89,"image_type":30},4,"https://project-static.guildgemedu.com/project/bfca818a-3561-4679-8b22-e1da9bf98dd5.png",{"id":70,"slug":91,"name":92,"name_zh":93,"tagline":94,"tagline_zh":95,"category":12,"category_zh":12,"is_published":13,"sort_order":96,"created_at":97,"last_updated_at":98,"available_categories":99,"available_locations":100,"images":101},"prestige-report","Prestige Report","尊享报告","GUILD Prestige Report is a sophisticated gemological document tailored for high-end colored stones and pearls, offering a deep-dive analysis of a gemstone’s aesthetic dimensions and providing a unique, individualized evaluation for every specimen.","GUILD 尊享报告是为高端彩色宝石和珍珠量身定制的高级宝石报告，提供对宝石美学维度的深度分析，并为每一件标本提供独特的个体化评价。",20,"2026-02-06T11:33:19","2026-03-30T17:47:36",[18,19],[22,23,24,25],[102,105],{"id":103,"image_url":104,"image_type":34},11,"https://project-static.guildgemedu.com/project/10ac604a-d1c2-49f4-bafe-24ada49cfaa0.jpg",{"id":106,"image_url":107,"image_type":30},12,"https://project-static.guildgemedu.com/project/3fd95c04-17fe-40e1-a57e-181f838d6211.png",[109,129,147,162,178,194,209],{"id":36,"lab_id":110,"name":111,"name_zh":112,"city":113,"city_zh":114,"country":115,"country_zh":116,"address":117,"address_zh":117,"phone":118,"email":119,"working_hours":120,"working_hours_zh":120,"cover_image_url":121,"city_image_url":122,"interior_images":123,"is_published":13,"sort_order":126,"created_at":127,"last_updated_at":128},"sri-lanka-laboratory","Sri Lanka Laboratory","斯里兰卡实验室","Beruwala","贝鲁瓦拉","Sri Lanka","斯里兰卡","3/4/5/6 Floor, Zam Gems Building, 44/1, Sheik Fassy Mawatha, China Fort, Beruwala, Sri Lanka","+0094 342214443","info@guildgemlab.com","","https://project-static.guildgemedu.com/project/bbf95b5c-699a-4aa1-9e2e-37650d1df384.jpg","https://project-static.guildgemedu.com/project/07415349-1198-4c45-b855-1c0baf069e4b.png",[124,125],"https://project-static.guildgemedu.com/project/1ecc8af1-f6b1-406d-9c56-f232e1606e3c.png","https://project-static.guildgemedu.com/project/0be76daf-5ca6-47ac-88e8-3e1405d5c35b.png",60,"2026-03-10T17:00:14","2026-03-17T16:57:14",{"id":70,"lab_id":130,"name":131,"name_zh":132,"city":133,"city_zh":134,"country":135,"country_zh":136,"address":137,"address_zh":138,"phone":139,"email":140,"working_hours":120,"working_hours_zh":120,"cover_image_url":141,"city_image_url":142,"interior_images":143,"is_published":13,"sort_order":144,"created_at":145,"last_updated_at":146},"bangkok-laboratory","Bangkok Laboratory","曼谷实验室","Bangkok","曼谷","Thailand","泰国","Room No. B25BC, B1 floor, Jewelry Trade Center (JTC) Building, 919/1 Si Lom Rd, Silom, Bang Rak, Bangkok, Thailand","Room No. B25BC, B1 floor, Jewelry Trade Center (JTC) Building, 919/1 Silom road, Silom, Bangrak, Bangkok, Thailand., 10500","+66 (0) 21265408","fangjuan@guildgemlab.com","https://project-static.guildgemedu.com/project/92c49c5b-75c7-4adf-ae2b-fdf21b930dec.png","https://project-static.guildgemedu.com/project/2b1c353d-5f67-42a3-814a-8337de6f70e1.jpg",[],35,"2026-03-10T17:14:49","2026-03-16T16:44:33",{"id":73,"lab_id":148,"name":149,"name_zh":150,"city":151,"city_zh":152,"country":153,"country_zh":154,"address":155,"address_zh":155,"phone":156,"email":119,"working_hours":120,"working_hours_zh":120,"cover_image_url":157,"city_image_url":158,"interior_images":159,"is_published":13,"sort_order":61,"created_at":160,"last_updated_at":161},"los-angeles-laboratory","Los Angeles Laboratory","洛杉矶实验室","Los Angeles","洛杉矶","United States","美国","550 South Hill Street, Suite 1188, Los Angeles, CA90013, USA","+1 2136240137","https://project-static.guildgemedu.com/project/ea476e65-bb43-4ce4-8189-133c794a861a.jpg","https://project-static.guildgemedu.com/project/b6153020-c94c-4bcc-9df9-0fc39e5d9fd2.jpg",[],"2026-03-10T17:01:22","2026-03-17T16:57:45",{"id":55,"lab_id":163,"name":164,"name_zh":165,"city":166,"city_zh":167,"country":168,"country_zh":169,"address":170,"address_zh":171,"phone":172,"email":119,"working_hours":120,"working_hours_zh":120,"cover_image_url":173,"city_image_url":174,"interior_images":175,"is_published":13,"sort_order":79,"created_at":176,"last_updated_at":177},"hong-kong-laboratory","Hong Kong Laboratory","香港实验室","Hong Kong","香港","China","中国","Flat 512B,Fu Hang Industrial Building, 1 Hok Yuen Street East, Hung Hom, Kowloon City District, Hong Kong Special Administrative Region","香港九龙城区红磡鹤园东街1号富恒工业大厦512B室","+852 59751280","https://project-static.guildgemedu.com/project/a8009f44-a00a-406c-9a76-b690abb00f16.jpg","https://project-static.guildgemedu.com/project/e69f75d5-665f-4536-82ce-3590737f11d2.jpg",[],"2026-03-10T17:05:06","2026-03-19T09:42:21",{"id":88,"lab_id":179,"name":180,"name_zh":181,"city":182,"city_zh":183,"country":168,"country_zh":169,"address":184,"address_zh":185,"phone":186,"email":119,"working_hours":120,"working_hours_zh":120,"cover_image_url":187,"city_image_url":188,"interior_images":189,"is_published":13,"sort_order":191,"created_at":192,"last_updated_at":193},"shenzhen-laboratory","Shenzhen Laboratory","深圳实验室","Shenzhen","深圳","Room 3C08, Addcon Building, Shuibei 1st Road, Luohu District, Shenzhen, Guangdong Province, China","深圳市 罗湖区 翠竹街道 翠锦社区 翠竹路 2099号 爱得康大厦 三层 C08","+86 4008866175","https://project-static.guildgemedu.com/project/bbe15c7b-ced1-41e2-bd1e-ce12300e662b.jpg","https://project-static.guildgemedu.com/project/d0f51c46-8cdf-4505-a1b5-e75ec1cdb561.jpg",[190],"https://project-static.guildgemedu.com/project/f215d30f-ea6c-4b5f-beb6-793cffbcf0ca.png",23,"2026-03-10T17:10:22","2026-03-17T17:29:01",{"id":6,"lab_id":195,"name":196,"name_zh":197,"city":198,"city_zh":199,"country":168,"country_zh":169,"address":200,"address_zh":201,"phone":202,"email":119,"working_hours":120,"working_hours_zh":120,"cover_image_url":203,"city_image_url":204,"interior_images":205,"is_published":13,"sort_order":96,"created_at":207,"last_updated_at":208},"zhuji-laboratory","Zhuji Laboratory","诸暨实验室","Zhuji","诸暨","Rooms B0419-B0421,  Building B04,  Phase 1 Market,  East China International Jewelry City,  Shanxiahu Town, Zhuji City, Shaoxing City, Zhejiang Province, China","浙江省 绍兴市 诸暨市 山下湖镇 华东国际珠宝城一期市场 B04栋 B0419-B0421","+86 133 0231 0256","https://project-static.guildgemedu.com/project/b6778c28-4699-4fce-82ad-4fea005d3404.jpg","https://project-static.guildgemedu.com/project/6bd5b54f-9299-4218-9e48-5fb50140a83d.jpg",[206],"https://project-static.guildgemedu.com/project/ab2a559d-a0bb-4272-bed5-d9616e921a0d.png","2026-03-10T17:12:13","2026-03-20T15:25:06",{"id":210,"lab_id":211,"name":212,"name_zh":213,"city":214,"city_zh":215,"country":168,"country_zh":169,"address":216,"address_zh":217,"phone":218,"email":119,"working_hours":120,"working_hours_zh":120,"cover_image_url":219,"city_image_url":220,"interior_images":221,"is_published":13,"sort_order":96,"created_at":224,"last_updated_at":225},7,"guangzhou-laboratory","Guangzhou Laboratory","广州实验室","Guangzhou","广州","Room 4095, Blue Port International Jewelry Trade Center, No. 300 Kangwang Middle Road, Liwan District, Guangzhou, Guangdong Province, China","广州市 荔湾区 康王中路 蓝港（国际）珠宝交易中心 4楼 4095","+86 181 3828 3849","https://project-static.guildgemedu.com/project/3f79c542-bf42-4dff-b1de-7d5281f42555.png","https://project-static.guildgemedu.com/project/43c9bae4-82b4-4c55-a39f-20f96ff606be.jpg",[222,223],"https://project-static.guildgemedu.com/project/c4d31919-3230-42a9-9fab-e00775bc93d2.jpg","https://project-static.guildgemedu.com/project/d69902ea-0d71-4d3c-bbfd-72bfe1f19057.jpg","2026-03-10T17:19:56","2026-03-20T17:41:24",[227,238,250,259],{"id":36,"slug":228,"level":229,"title":230,"title_en":231,"subtitle":232,"subtitle_en":233,"image_url":234,"duration":235,"curriculum_count":210,"is_published":13,"sort_order":42,"created_at":236,"last_updated_at":237},"advanced-emerald-identification-and-evaluation","intermediate","祖母绿鉴定与评估课程","Emerald Identification and Evaluation","深入探索祖母绿的奥秘世界","Deep Dive into the Mystical World of Emeralds","https://strict-static.guildgemedu.com/gallery/k07Y_1761530161.jpg","6","2026-03-10T15:14:21","2026-03-30T11:07:34",{"id":239,"slug":240,"level":241,"title":242,"title_en":243,"subtitle":244,"subtitle_en":245,"image_url":246,"duration":235,"curriculum_count":210,"is_published":13,"sort_order":247,"created_at":248,"last_updated_at":249},9,"ruby-and-sapphire-identification-and-evaluation","advanced","红宝石与蓝宝石鉴定与评估课程","Ruby and Sapphire Identification and Evaluation","掌握刚玉宝石的鉴定精髓","Master the Essence of Corundum Gemstone Identification","https://strict-static.guildgemedu.com/gallery/6TEe_1761529854.jpg",40,"2026-03-10T15:19:30","2026-03-30T11:27:47",{"id":73,"slug":251,"level":241,"title":252,"title_en":253,"subtitle":254,"subtitle_en":255,"image_url":256,"duration":235,"curriculum_count":70,"is_published":13,"sort_order":61,"created_at":257,"last_updated_at":258},"colored-stones-identification-and-evaluation","彩色宝石鉴定与评估课程","Colored Stones Identification and Evaluation","探索彩色宝石的璀璨世界","Explore the Brilliant World of Colored Gemstones","https://strict-static.guildgemedu.com/news/news-hero-header-image.jpg","2026-03-10T15:15:51","2026-03-30T11:29:55",{"id":210,"slug":260,"level":241,"title":261,"title_en":262,"subtitle":263,"subtitle_en":264,"image_url":265,"duration":266,"curriculum_count":70,"is_published":13,"sort_order":96,"created_at":267,"last_updated_at":268},"pearls-identification-and-evaluation","珍珠鉴定与评估课程","Pearls Identification and Evaluation","揭开珍珠的优雅密码","Unlock the Elegant Secrets of Pearls","https://strict-static.guildgemedu.com/gallery/VaLd_1761529495.jpg","4","2026-03-10T15:19:14","2026-03-30T11:31:40",[270,283,293,303,313,323,333,344,354,364],{"id":271,"slug":272,"content_type":273,"title":274,"title_en":275,"excerpt":276,"excerpt_en":277,"featured_image_url":278,"cover_position":279,"is_featured":280,"is_published":13,"is_zh_open":13,"is_en_open":13,"published_at":281,"created_at":282},91,"spectral-and-chemical-analysis-on-pink-green-bicolor-tourmaline","research","粉绿双色碧玺的光谱与化学分析研究","Spectral and Chemical Analysis on Pink-Green Bicolor Tourmaline","粉绿双色碧玺的光谱与化学分析研究 ——揭示碧玺颜色成因的多维度研究 碧玺是自然界中色彩最为丰富的宝石品种之一，几乎涵盖所有光谱颜色。其中，粉绿双色碧玺因在一颗宝石中同时展现粉色与绿色的奇妙组合，深受宝石爱好者和收藏家的青睐。GUILD吉尔德宝石实验室对17颗粉绿双色碧玺进行了系统的宝石学、光谱学和化学分析研究，旨在揭示其颜色变化的内在机制。  样品与研究方法 本研究选取了17颗刻面碧玺样品，总重1...","Spectral and Chemical Analysis of Pink-Green Bicolor Tourmaline HUANG Tiantian, GAO Yujie Abstract: Seventeen pink-green bicolored tourmaline samples were studied by standard gemological testing, Four...","https://project-static.guildgemedu.com/project/db63c1e7-78a0-4bd0-bcf8-b1766c58098f.jpg","center",false,"2026-07-06T13:51:58","2026-07-06T04:26:00",{"id":284,"slug":285,"content_type":273,"title":286,"title_en":287,"excerpt":288,"excerpt_en":289,"featured_image_url":290,"cover_position":279,"is_featured":280,"is_published":13,"is_zh_open":13,"is_en_open":13,"published_at":291,"created_at":292},93,"a-pink-sapphire-with-questionable-heat-treatment","检测案例报告-粉色蓝宝热处理判定","A Pink Sapphire with Questionable Heat Treatment","检测案例报告：一颗大克拉粉色蓝宝石的热处理判定分析 近期我们收到一颗大克拉的粉色蓝宝石，并对其开展了系统性的检测。检测过程中，我们发现了一些具有争议性的特征，使该样品成为一个非常典型的案例，可用于进一步加深对蓝宝石“是否经过热处理”判断标准的理解与阐释。 我们首先进行了常规的宝石学测试，包括反射红外光谱确认其为蓝宝石，从而确定了矿物种类；随后通过透射红外光谱对其氢氧根（OH⁻）相关吸收峰进行观察，...","A Pink Sapphire with Questionable Heat Treatment A pink sapphire weighing over 20 ct was recently submitted to Guild Gem Laboratories, and it presented a particularly challenging case for the determin...","https://project-static.guildgemedu.com/project/2428f9d3-11cb-4ca0-99cd-564522aaee2a.jpg","2026-07-06T14:10:30","2026-07-05T21:58:00",{"id":294,"slug":295,"content_type":273,"title":296,"title_en":297,"excerpt":298,"excerpt_en":299,"featured_image_url":300,"cover_position":279,"is_featured":280,"is_published":13,"is_zh_open":13,"is_en_open":13,"published_at":301,"created_at":302},92,"bicoloured-jadeite-omphacite-jade-from-guatemala","危地马拉的双色翡翠","Bicoloured Jadeite-Omphacite Jade from Guatemala","危地马拉的双色翡翠 传统上，来自缅甸的硬玉-绿辉石玉（翡翠）在中国市场占据主导地位；不过近年来，危地马拉产翡翠受到越来越多关注。随着该产地材料质量和供应量不断提升，其市场份额也迅速扩大。已有研究表明，危地马拉翡翠主要由辉石族矿物硬玉（NaAlSi2O6）和/或绿辉石 [(Na,Ca,Fe2+,Mg)(Al,Fe3+,Fe2+,Mg)(Si2O6)] 组成（Liu et al. 2024）。 近期，...","Bicoloured Jadeite-Omphacite Jade from Guatemala Traditionally, jadeite-omphacite jade (fei cui) from Myanmar prevails in the Chinese market, although in recent years material from Guatemala has drawn...","https://project-static.guildgemedu.com/project/6f093c9c-dafd-4213-84dc-9fe80e1ccd93.jpg","2026-07-06T13:57:19","2026-07-05T13:52:00",{"id":304,"slug":305,"content_type":273,"title":306,"title_en":307,"excerpt":308,"excerpt_en":309,"featured_image_url":310,"cover_position":279,"is_featured":13,"is_published":13,"is_zh_open":13,"is_en_open":13,"published_at":311,"created_at":312},89,"fayalite-inclusion-in-guatemalan-jadeite-omphacite-jade","危地马拉翡翠中的铁橄榄石包裹体","Fayalite Inclusion in Guatemalan Jadeite-Omphacite Jade","危地马拉翡翠中的铁橄榄石包裹体 在珠宝玉石的璀璨世界里，翡翠始终占据着举足轻重的地位，尤其在中国市场，其受欢迎程度经久不衰。近年来，来自危地马拉的翡翠更是异军突起，需求量攀升，成为众多消费者关注的焦点。 近日，GUILD宝石实验室收到了一枚翡翠吊坠，客户要求进行产地检测（图1）。这件翡翠货品颜色浓郁且均匀。拉曼测试结果显示，它属于硬玉和绿辉石的过渡相。在显微镜下进一步观察，其结构细腻，并散布着若干...","Fayalite Inclusion in Guatemalan Jadeite-Omphacite Jade  Figure 1: The jadeite-omphacite cabochon in this pendant (29.40 x 20.87 mm) was found to contain some interesting inclusions. Photo by Siqi Luo...","https://project-static.guildgemedu.com/project/47a6f875-e003-4bdf-8304-36b27605d1c6.jpg","2026-06-05T16:37:37","2026-06-04T16:28:00",{"id":314,"slug":315,"content_type":273,"title":316,"title_en":317,"excerpt":318,"excerpt_en":319,"featured_image_url":320,"cover_position":279,"is_featured":280,"is_published":13,"is_zh_open":13,"is_en_open":13,"published_at":321,"created_at":322},90,"an-assembled-emerald-rough","一种人工复合祖母绿原石仿制品","An Assembled ‘Emerald’ Rough","一种人工复合祖母绿原石仿制品 新发现的宝石矿床总会在珠宝行业内引起极大的关注。最近，一块客户声称来自赞比亚新矿床的祖母绿原石样品被送至深圳吉尔德宝石实验室进行检测（图1）。经初步宏观观察，此样品在外观特征上与赞比亚祖母绿原石具有一定的相似性，可见绿色晶体与棕色层状云母矿物共生。依据地质学文献资料，赞比亚矿床内发育良好的祖母绿晶体通常分布于石英脉和金云母片岩的接触带区域。然而，宝石学家通过详细的显微...","An Assembled ‘Emerald’ Rough New gem discoveries invariably generate considerable interest within the industry. Recently, a specimen was submitted to Guild Gem Laboratories in Shenzhen as a purported ...","https://project-static.guildgemedu.com/project/1909ebd8-65a5-4bd9-aebe-265961a07724.jpg","2026-06-05T16:43:29","2026-06-04T08:39:00",{"id":324,"slug":325,"content_type":273,"title":326,"title_en":327,"excerpt":328,"excerpt_en":329,"featured_image_url":330,"cover_position":279,"is_featured":13,"is_published":13,"is_zh_open":13,"is_en_open":13,"published_at":331,"created_at":332},88,"advanced-instrumentation-for-identifying-sugar-acid-treated-opal","检测糖酸处理欧泊的新型方法","Advanced Instrumentation for Identifying Sugar-Acid-Treated Opal","检测糖酸处理欧泊的新型方法          在宝石交易市场中，黑欧泊因为其深色背景会使变彩现象显得更加突出而被人们更为追捧。为了模仿这种天然的深色，人们会采用糖酸处理和烟熏处理来加深浅色欧泊的体色。除用于白欧泊外，糖酸处理最常见于孔隙较强的材料，例如澳大利亚安达穆卡（Andamooka）产的脉石欧泊(Brown 1991; Hsu & Kennedy 2022)，以及埃塞俄比亚产的hydroph...","Advanced Instrumentation for Identifying Sugar-Acid-Treated Opal Black opal is commonly more highly valued than white opal because the dark background makes the play-of-colour appear more prominent. T...","https://project-static.guildgemedu.com/project/eb8ef793-022b-405a-8aa8-ee12ae45345c.JPG","2026-06-05T16:30:14","2026-05-31T04:19:00",{"id":334,"slug":335,"content_type":336,"title":337,"title_en":338,"excerpt":339,"excerpt_en":340,"featured_image_url":341,"cover_position":279,"is_featured":280,"is_published":13,"is_zh_open":13,"is_en_open":13,"published_at":342,"created_at":343},73,"guild-gem-laboratories-zhuji-newly-upgraded","news","“鸿运新启，璀璨生辉”GUILD吉尔德宝石实验室（诸暨）焕新启幕","GUILD Gem Laboratories (Zhuji) Newly Upgraded","2026年3月20日，GUILD吉尔德诸暨实验室于山下湖华东国际珠宝城B0419-B0421正式焕新启幕，自2023年诸暨实验室成立至如今全新启幕，GUILD吉尔德持续深化与布局全球化品牌策略，稳步推进全球市场化进程。同时，GUILD吉尔德宝石实验室（诸暨）亦开启新一轮序章。  启幕仪式在跃动的灵狮舞动中拉开序幕，醒狮随《光影共舞》的音乐威然跃现，GUILD吉尔德宝石实验室总裁 Ruby Liu ...","On March 20, 2026, GUILD Gem Laboratories (Zhuji) officially celebrated the grand reopening of its newly upgraded facility at B0419–B0421, East China International Jewelry City, Shanxiahu. Since the e...","https://strict-static.guildgemedu.com/new/98e2d045-7ca4-43e2-b225-ed71a2ae3d9a.jpg","2026-03-31T11:28:18","2026-03-29T20:00:00",{"id":345,"slug":346,"content_type":336,"title":347,"title_en":348,"excerpt":349,"excerpt_en":350,"featured_image_url":351,"cover_position":279,"is_featured":13,"is_published":13,"is_zh_open":13,"is_en_open":13,"published_at":352,"created_at":353},32,"education-in-action-guild-institute-brings-gemological-studies-to-life-at-hong-kong-show","以展促学丨GUILD吉尔德宝石学教育带队研学2026香港珠宝展","Education in Action: GUILD Institute Brings Gemological Studies to Life at Hong Kong Show","2026年3月，第12届香港国际钻石、宝石及珍珠展在香港亚洲国际博览馆（机场展馆）圆满举办，与香港会议展览中心的第42届香港国际珠宝展形成“两展两地”联动模式。作为全球宝石行业开年重要的商贸与交流平台，本届展会汇聚了全球各地源头矿商、知名珠宝企业与行业专业从业者，是宝石行业对接源头货源、掌握真实市场动态的重要渠道。  GUILD吉尔德宝石学教育精准把握展会的实战教学价值，组织20名学员组建研学团队...","In March 2026, the 12th Hong Kong International Diamond, Gem & Pearl Show was successfully held at the AsiaWorld-Expo (Airport Exhibition Hall), forming a 'two exhibitions, two venues' linkage model w...","https://project-static.guildgemedu.com/project/7a37161d-a18d-44b0-be46-56c164107191.jpg","2026-03-17T11:46:57","2026-03-15T11:46:00",{"id":355,"slug":356,"content_type":336,"title":357,"title_en":358,"excerpt":359,"excerpt_en":360,"featured_image_url":361,"cover_position":279,"is_featured":280,"is_published":13,"is_zh_open":13,"is_en_open":13,"published_at":362,"created_at":363},54,"gem-sri-lanka-2026-at-colombo-shangri-la","Gem Sri Lanka 2026在斯里兰卡首都科伦坡香格里拉酒店成功举办!GUILD吉尔德作为铂金赞助商亮相，助力宝石产业蓬勃发展","Gem Sri Lanka 2026 at Colombo Shangri-La","1 月 7 日 - 9 日，Gem Sri Lanka 2026 在斯里兰卡首都科伦坡市中心的香格里拉酒店成功举办。斯里兰卡总理哈里尼・阿马拉苏里亚博士作为重磅来宾出席官方开幕仪式。从最初的行业专业展会发展至今，Gem Sri Lanka 已成长为具有里程碑意义的国际盛会。  Gem Sri Lanka 由斯里兰卡宝石与珠宝贸易协会（CGJTA）主办，协会拥有 2000 余名会员，覆盖贝鲁瓦拉、拉...","From January 7-9, Gem Sri Lanka 2026 was successfully held at the Shangri-La Hotel in the heart of Colombo, the capital of Sri Lanka. Dr. Harini Amarasuriya, Prime Minister of Sri Lanka, attended the ...","https://project-static.guildgemedu.com/project/acf4fdd8-ed00-4c05-93ef-02be6b2d22ab.png","2026-03-20T14:35:06","2026-01-08T06:26:00",{"id":365,"slug":366,"content_type":273,"title":367,"title_en":368,"excerpt":369,"excerpt_en":370,"featured_image_url":371,"cover_position":279,"is_featured":280,"is_published":13,"is_zh_open":13,"is_en_open":13,"published_at":372,"created_at":373},36,"exploring-the-origins-of-gemstone-names-language-geography-and-human-stories","当我们“呼唤”宝石时，我们在“呼唤”什么？","Exploring the Origins of Gemstone Names: Language, Geography, and Human Stories","聊起宝石，我们总是先被它的光泽与色彩所吸引。但当我们脱口而出“红宝石”“祖母绿”这些名字时，可曾想过，我们叫的这些名称到底是什么？它们又是怎么来的？是古人看到它时灵光一闪的灵感？还是地质发现者特意留下的纪念？抑或是跨洋贸易中流传下来的称谓？ 其实每颗宝石的名字都不简单，跨越时空，今天就让我们顺着这些线索，一起聊聊宝石名称里的那些小秘密 ~ 古老语言中的宝石密码 人类对宝石的命名，最早可追溯到文字诞...","When we \"call\" gemstones, what are we actually \"calling\"? When we speak of gemstones, we are first drawn to their luster and color. But when we casually utter names like \"Ruby\" or \"Emerald,\" have we e...","https://project-static.guildgemedu.com/project/2d16d153-a83c-4fe9-9daf-6fdee2b96982.jpg","2026-03-18T10:38:35","2025-12-03T02:25:00",{"slug":285,"content_type_name":273,"is_zh_open":13,"is_en_open":13,"title":286,"content":375,"excerpt":288,"title_en":287,"content_en":376,"excerpt_en":289,"featured_image_url":290,"cover_position":279,"is_featured":280,"is_published":13,"published_at":291,"published_by_name":377,"authors":12,"venue":12,"paper_published_date":12,"citation":12,"paper_type":12,"last_updated_at":291,"last_updated_by_name":377,"id":284,"created_at":292,"is_deleted":280,"external_links":378,"attachments":379},"{\"blocks\":[{\"id\":\"pqoivxwly\",\"type\":\"heading\",\"data\":{\"text\":\"检测案例报告：一颗大克拉粉色蓝宝石的热处理判定分析\",\"level\":2}},{\"id\":\"8c2c77207\",\"type\":\"paragraph\",\"data\":{\"text\":\"近期我们收到一颗大克拉的粉色蓝宝石，并对其开展了系统性的检测。检测过程中，我们发现了一些具有争议性的特征，使该样品成为一个非常典型的案例，可用于进一步加深对蓝宝石“是否经过热处理”判断标准的理解与阐释。\"}},{\"id\":\"a57646e7b\",\"type\":\"paragraph\",\"data\":{\"text\":\"我们首先进行了常规的宝石学测试，包括反射红外光谱确认其为蓝宝石，从而确定了矿物种类；随后通过透射红外光谱对其氢氧根（OH⁻）相关吸收峰进行观察，这一步骤在热处理识别中尤为关键。\"}},{\"id\":\"13ce4ebf1\",\"type\":\"paragraph\",\"data\":{\"text\":\"在此基础上，我们进行了高倍显微镜下的包裹体观察，并辅以发光性观察等其他辅助测试。综合结果如下：\"}},{\"id\":\"c1650655c\",\"type\":\"paragraph\",\"data\":{\"text\":\"显微观察结果\"}},{\"id\":\"2dfd4a879\",\"type\":\"paragraph\",\"data\":{\"text\":\"在高倍显微镜下，该样品主要为固体包裹体：\"}},{\"id\":\"aa689b0d6\",\"type\":\"list\",\"data\":{\"style\":\"unordered\",\"items\":[\"固体包裹体（晶体包裹体）：\"]}},{\"id\":\"67be15ede\",\"type\":\"list\",\"data\":{\"style\":\"ordered\",\"items\":[\"长针状包体；\",\"深橘色晶体；\",\"板状晶体。\"]}},{\"id\":\"f0a9cd639\",\"type\":\"table\",\"data\":{\"headers\":[],\"rows\":[[{\"img\":\"https://project-static.guildgemedu.com/docx-import/9e76371d2fb64eb4bc2566603f1b6835.jpg\",\"text\":\"\"},{\"img\":\"https://project-static.guildgemedu.com/docx-import/3983a91302be4bf08a9ed1ae11392b72.jpg\",\"text\":\"\"}],[\"图一：长针状包体\",\"图二：深橘色包体\"]]}},{\"id\":\"efce501a4\",\"type\":\"image\",\"data\":{\"src\":\"https://project-static.guildgemedu.com/docx-import/e32085f616d64c42b5494e5529fbe445.jpg\",\"caption\":\"图三：板状包体\",\"width\":\"100%\"}},{\"id\":\"f93869b05\",\"type\":\"paragraph\",\"data\":{\"text\":\"这三类晶体在显微镜下均呈现完好形貌，未观察到热处理相关痕迹，如熔融边界、晶体重结晶或“雪球”现象等。\"}},{\"id\":\"74130b213\",\"type\":\"paragraph\",\"data\":{\"text\":\"因此，基于显微观察，该蓝宝石并无显示出热处理的任何直接证据。\"}},{\"id\":\"309ac65f0\",\"type\":\"paragraph\",\"data\":{\"text\":\"红外光谱测试：局部异常\"}},{\"id\":\"c7eca51fd\",\"type\":\"paragraph\",\"data\":{\"text\":\"在红外透射光谱测试中，前三个不同方向的光谱表现为平缓、无特征吸收带，这符合未经过热处理的典型表现。然而，在更换测试方向后，我们在第四个测试光谱上检测到3309 cm⁻¹与3232 cm⁻¹两个典型吸收峰——这两个峰被多个实验室用作蓝宝石轻微热处理（尤其是低温热处理）的判别依据。\"}},{\"id\":\"3e11881cc\",\"type\":\"table\",\"data\":{\"headers\":[],\"rows\":[[{\"img\":\"https://project-static.guildgemedu.com/docx-import/5f15972f4c2c4d848475e221496369a5.jpg\",\"text\":\"\"},{\"img\":\"https://project-static.guildgemedu.com/docx-import/2ea3661402fb4499ab2d414b5c124019.jpg\",\"text\":\"\"}],[\"图四：粉色蓝宝石的红外光谱放大之后可见微弱的3232cm\u003Csup>-1\u003C/sup>\"]]}},{\"id\":\"346a5c7d3\",\"type\":\"paragraph\",\"data\":{\"text\":\"问题在于，这与显微观察所得结果相矛盾。尽管这两个红外吸收峰常被视为热处理指标，但我们过去在某些特定矿区采集的未经热处理的天然蓝宝石样品中，也发现了这两个吸收峰的存在。这表明：3309cm⁻¹和3232 cm⁻¹吸收峰并非百分之百与热处理相关，而是氢氧根与某些金属氧化物结合所形成的晶体结构特征有关。\"}},{\"id\":\"a23eb87fc\",\"type\":\"paragraph\",\"data\":{\"text\":\"因此，尽管在绝大多数情况下，这两个吸收峰可作为热处理的间接证据，但并不能单独作为热处理结论的唯一依据，尤其在当前样品出现与显微观察矛盾的前提下。\"}},{\"id\":\"0048a008c\",\"type\":\"paragraph\",\"data\":{\"text\":\"显微拉曼测试：进一步验证\"}},{\"id\":\"4cdeabf15\",\"type\":\"paragraph\",\"data\":{\"text\":\"为进一步验证包裹体是否经历过热处理，我们开展了显微拉曼光谱测试，分析其包裹体变化情况。测试重点集中在三种典型包裹体的拉曼反应上：\"}},{\"id\":\"9347bef6b\",\"type\":\"list\",\"data\":{\"style\":\"ordered\",\"items\":[\"金红石（Rutile）：高温稳定性强，即使经历高温处理也可能保持原始形态。因此，该包裹体的形态完整不能单独否定热处理。\",\"金云母（Phlogopite）：为一种含水的层状硅酸盐矿物，金云母的拉曼光谱在365±15℃即开始发生变化，受热后拉曼信号会严重畸变或完全消失。因此，金云母可作为受热温度处理的敏感指标。本次测试中，金云母的拉曼峰尖锐清晰，显示晶体完整、未受破坏，表明其未经历过超365±15°C的高温处理。\"]}},{\"id\":\"031329e68\",\"type\":\"table\",\"data\":{\"headers\":[],\"rows\":[[{\"img\":\"https://project-static.guildgemedu.com/docx-import/d8f52bd6945f4a36b5cfa7def73cca1e.jpg\",\"text\":\"\"},{\"img\":\"https://project-static.guildgemedu.com/docx-import/414912b32f8d441cb489874379f4cea7.jpg\",\"text\":\"\"}],[\"图五：金云母的拉曼光谱图与显微放大100倍下的金云母\"]]}},{\"id\":\"b382d2066\",\"type\":\"paragraph\",\"data\":{\"text\":\"结合金云母的敏感性与此次测试结果，我们可以合理推断：该包裹体未曾受热，进而推断其所处的蓝宝石主晶亦未经历热处理。\"}},{\"id\":\"0da67cd7f\",\"type\":\"paragraph\",\"data\":{\"text\":\"结论\"}},{\"id\":\"ad5cfa365\",\"type\":\"paragraph\",\"data\":{\"text\":\"尽管在该粉色蓝宝石样品中局部检测面存在3309和3232 cm⁻¹吸收峰，但基于：\"}},{\"id\":\"6ea813b4e\",\"type\":\"list\",\"data\":{\"style\":\"unordered\",\"items\":[\"显微镜下包裹体完整；\",\"金云母的拉曼峰未显示任何热损伤特征；\"]}},{\"id\":\"cc8ca5fb4\",\"type\":\"paragraph\",\"data\":{\"text\":\"我们最终判定：该样品为未经热处理的天然蓝宝石。\"}},{\"id\":\"9153015ca\",\"type\":\"paragraph\",\"data\":{\"text\":\"此案例提醒我们，在蓝宝石热处理判定中，应综合使用多种手段，尤其在遇到表征结果相互矛盾时，拉曼包裹体分析可成为关键突破口。\"}},{\"id\":\"46a6e6107\",\"type\":\"paragraph\",\"data\":{\"text\":\"据称，该颗宝石在送达我们实验室之前，已获得四份检测报告，其中两份判断其为“有烧”，另外两份则为“无烧”。我们对这些报告内容进行了回顾与分析，认为应从技术手段与判断依据的差异出发来理解这些结论的不一致。\"}},{\"id\":\"98289a8a4\",\"type\":\"paragraph\",\"data\":{\"text\":\"首先，给出“无烧”结论的实验室，推测其依据主要包括两方面：其一是显微镜下观察到的包裹体完好，未见热处理迹象；其二是红外透射光谱中前三个测试均未出现3309 cm⁻¹与3232 cm⁻¹等热处理指征峰。这种情况下给出“无烧”结论是相对合理的。\"}},{\"id\":\"268129dcc\",\"type\":\"paragraph\",\"data\":{\"text\":\"而另一部分实验室则仅依据红外光谱中出现的3309 cm⁻¹与3232 cm⁻¹这两个吸收峰，即认定为“有烧”，并未对包裹体或其他结构特征进行深入分析。这种方法在某些情形下可能过于依赖单一指标，忽视了特定产地或特定样品中可能存在的天然异常表现。\"}},{\"id\":\"968d5e7bc\",\"type\":\"paragraph\",\"data\":{\"text\":\"对于我们吉尔德实验室而言，基于长期积累的大数据经验，我们认为3309 cm⁻¹与3232 cm⁻¹这两个吸收峰虽然在绝大多数情况下与热处理相关，但并不能作为百分之百的热处理判据。若将其作为唯一标准，极有可能导致对某类天然蓝宝石的误判。\"}},{\"id\":\"690d6c55e\",\"type\":\"paragraph\",\"data\":{\"text\":\"因此，在本次检测中，我们特别加强了显微拉曼光谱对包裹体的测试，以更严格的方式对样品进行判定。包裹体的信息不仅能够解释红外光谱中出现的异常信号，其所承载的地质与热历史信息远超单一光谱数据所能提供的内容。\"}},{\"id\":\"802e326a3\",\"type\":\"paragraph\",\"data\":{\"text\":\"拉曼光谱在谱学结构上与红外光谱互为补充，尤其是与显微观察相结合时，能够对包裹体的矿物种类、晶格结构、热稳定性等方面进行更精准的定性与定量分析。这使我们能够对样品的热处理状态进行多维度交叉验证，从而形成更加可靠的判断依据。\"}},{\"id\":\"64db84f40\",\"type\":\"paragraph\",\"data\":{\"text\":\"综上所述，我们认为在面对存在争议的样品时，应坚持多方法、多角度的分析路径，避免因依赖单一指标而导致偏颇结论。只有通过更全面严谨的检测策略，才能给予样品更加客观、公正的评价。\"}},{\"id\":\"7bb80d555\",\"type\":\"paragraph\",\"data\":{\"text\":\"本次报告首次引入了一种全新的技术路径：将新类型的矿物包裹体作为热处理判断的依据，尤其是首次尝试将含水矿物包体用于识别高温处理的敏感指示。这一方法的提出，拓展了宝石热处理分析的技术边界，也为复杂样品的判定提供了更加精准与可靠的支持。\"}},{\"id\":\"11645148c\",\"type\":\"paragraph\",\"data\":{\"text\":\"参考文献\"}},{\"id\":\"8e987f431\",\"type\":\"paragraph\",\"data\":{\"text\":\"Hughes E.B., Perkins R. (2019) Madagascar sapphire: Low-temperature heat treatment experiments. G&G, Vol. 55, No. 2, pp. 184−197, http://dx.doi.org/10.5741/GEMS.55.2.184\"}},{\"id\":\"359046d27\",\"type\":\"paragraph\",\"data\":{\"text\":\"Soonthorntantikul, W., & Palke, A. C. (2025). The 3309 cm⁻¹ series in sapphire and ruby: A focus on FTIR peak position variation. Gems & Gemology, 61(1), 24–39.\"}}]}","{\"blocks\":[{\"id\":\"d7x9dl83q\",\"type\":\"heading\",\"data\":{\"text\":\"A Pink Sapphire with Questionable Heat Treatment\",\"level\":2}},{\"id\":\"d9e026a6a\",\"type\":\"paragraph\",\"data\":{\"text\":\"A pink sapphire weighing over 20 ct was recently submitted to Guild Gem Laboratories, and it presented a particularly challenging case for the determination of heat treatment. According to the client, the stone had previously received four reports from three different laboratories, with inconsistent conclusions. One laboratory initially classified the stone as unheated four years ago but later revised their assessment to heated. Subsequently, two additional laboratories issued contradictory opinions—one concluding heated and the other not heated. These conflicting assessments prompted the client to seek an in-depth re-evaluation, with the aim of resolving the dispute based on further analytical evidence.\"}},{\"id\":\"6c420af7d\",\"type\":\"image\",\"data\":{\"src\":\"https://project-static.guildgemedu.com/docx-import/f70f2616e8b048e8b521e71458a4cd40.jpg\",\"caption\":\"Figure 1: The FTIR spectrum of the pink sapphire shows bands at 3309 and 3232 cm\u003Csup>-\u003C/sup>¹, which are commonly considered to be related to heat treatment.\",\"width\":\"100%\"}},{\"id\":\"865f24f96\",\"type\":\"paragraph\",\"data\":{\"text\":\"The authors carried out a comprehensive gemmological examination following standard protocols, including FTIR spectroscopy and microscopic observation. FTIR reflectance spectroscopy confirmed the specimen as corundum, and transmission spectra revealed absorption bands at 3309 and 3232 cm\u003Csup>-\u003C/sup>¹ (Figure 1), which are often cited as diagnostic of heat treatment in sapphires, particularly those of metamorphic origin (Hughes & Perkins 2019; Saeseaw & Khowpong 2019). However, microscopic examination revealed an inclusion scene inconsistent with high-temperature heating. The observed features included rutile needles, fluid inclusions and colourless platy crystals (Figure 2), all of which showed no signs of heat-induced deformation, melting or decrepitation.\"}},{\"id\":\"4009e020b\",\"type\":\"table\",\"data\":{\"headers\":[],\"rows\":[[{\"img\":\"https://project-static.guildgemedu.com/docx-import/a08fe3afee5f46a9b54943d28fe1187c.jpg\",\"text\":\"\"},{\"img\":\"https://project-static.guildgemedu.com/docx-import/9b3cb6eb5a6b4c9d8bbf8d9a6b939d79.jpg\",\"text\":\"\"}],[\"a\",\"b\"]]}},{\"id\":\"a02c831b5\",\"type\":\"paragraph\",\"data\":{\"text\":\"Figure 2: (a) Intact needles and (b) a colourless platy phlogopite inclusion in the pink sapphire show no evidence of heat-induced deformation, melting or decrepitation. Photomicrographs by Tiantian Huang; image widths (a) 5.32 mm and (b) 2.35 mm.\"}},{\"id\":\"bd3c524b4\",\"type\":\"paragraph\",\"data\":{\"text\":\"To further investigate the apparent contradiction, we obtained Raman spectra of the inclusions. The long needles were confirmed as rutile, displaying sharp and characteristic vibrational modes. One platy inclusion was identified as phlogopite, a hydrous mica that begins to undergo structural breakdown at around 365 ± 15°C (Tutti & Lazor 2008). The Raman spectrum of the phlogopite exhibited well-defined, sharp peaks (Figure 3), with no evidence of peak shift or broadening, features typically associated with heating-induced structural disorder.\"}},{\"id\":\"a082ea3f8\",\"type\":\"image\",\"data\":{\"src\":\"https://project-static.guildgemedu.com/docx-import/76a264d8eb2c47e9ae7854f9f57809dc.jpg\",\"caption\":\"Figure 3: The Raman spectrum of a phlogopite inclusion in the sapphire shows well-defined, sharp peaks; those near 3600 cm\u003Csup>-\u003C/sup>¹ are related to water and show no signs of exposure to heat.\",\"width\":\"100%\"}},{\"id\":\"99cf66a08\",\"type\":\"paragraph\",\"data\":{\"text\":\"The presence of OH-related bands at 3309 and 3232 cm\u003Csup>-\u003C/sup>¹ in the FTIR spectrum of sapphire is a useful criterion for identifying heat treatment, but the authors' experience—and supporting literature (Soonthorntantikul & Palke 2025)—indicate that these features may occasionally be observed in untreated metamorphic sapphires due to their complex geological history. As such, these bands should not be interpreted in isolation. In this case, the well-preserved state of the phlogopite (confirmed by Raman spectroscopy) and other inclusions provided strong evidence against heat treatment. Taken together, the combination of microscopic observations and FTIR and Raman spectral features led the authors to conclude that the sapphire had not undergone thermal enhancement. This instance highlights the importance of multi-modal analytical approaches in resolving questionable heat/no-heat determinations, particularly in cases where individual techniques offer conflicting evidence.\"}},{\"id\":\"bfc8f96dc\",\"type\":\"paragraph\",\"data\":{\"text\":\"Yujie Gao, Tiantian Huang(candice.huang@guildgemlab.com)and Andrew LucasGuild Gem LaboratoriesShenzhen, China\"}},{\"id\":\"321387f2e\",\"type\":\"paragraph\",\"data\":{\"text\":\"References\"}},{\"id\":\"ea1169428\",\"type\":\"paragraph\",\"data\":{\"text\":\"Hughes, E.B. & Perkins, R. 2019. Madagascar sapphire: Low-temperature heat treatment experiments. Gems & Gemology, 55(2), 184-197, https://doi.org/10.5741/gems.55.2.184.\"}},{\"id\":\"227d1ec7a\",\"type\":\"paragraph\",\"data\":{\"text\":\"Saeseaw, S. & Khowpong, C. 2019. Gem News International: The effect of low-temperature heat treatment on pink sapphire. Gems & Gemology, 55(2), 290-291.\"}},{\"id\":\"c071f913f\",\"type\":\"paragraph\",\"data\":{\"text\":\"Soonthorntantikul, W. & Palke, A.C. 2025. The 3309 cm–1 series in sapphire and ruby: A focus on FTIR peak position variation. Gems & Gemology, 61(1), 2-15, https://doi.org/10.5741/gems.61.1.2.\"}},{\"id\":\"89801d9dd\",\"type\":\"paragraph\",\"data\":{\"text\":\"Tutti, F. & Lazor, P. 2008. Temperature-induced phase transition in phlogopite revealed by Raman spectroscopy. Journal of Physics and Chemistry of Solids, 69(10), 2535-2539, https://doi.org/10.1016/j.jpcs.2008.05.009.\"}}]}","HuangTianTian",[],[],1784601772576]