[{"data":1,"prerenderedAt":338},["ShallowReactive",2],{"header-nav-data":3,"news-zh-emerald-containing-residues-of-green-polishing-compound":226,"related-news-zh":245},{"reports":4,"labs":108},[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",{"slug":227,"content_type_name":228,"is_zh_open":13,"is_en_open":13,"title":229,"content":230,"excerpt":231,"title_en":232,"content_en":233,"excerpt_en":234,"featured_image_url":235,"cover_position":236,"is_featured":237,"is_published":13,"published_at":238,"published_by_name":239,"authors":12,"venue":12,"paper_published_date":12,"citation":12,"paper_type":12,"last_updated_at":240,"last_updated_by_name":239,"id":241,"created_at":242,"is_deleted":237,"external_links":243,"attachments":244},"emerald-containing-residues-of-green-polishing-compound","research","含绿色抛光剂残留物的祖母绿","{\"blocks\":[{\"id\":\"513c1fae5\",\"type\":\"heading\",\"data\":{\"text\":\"含绿色抛光剂残留物的祖母绿\",\"level\":2}},{\"id\":\"76670f6ac\",\"type\":\"paragraph\",\"data\":{\"text\":\"祖母绿通常会使用有机填充物进行处理，以降低裂隙的可见度，从而改善净度（McClure et al. 1999）；在某些情况下，也会使用绿色油剂来改善其颜色（Ringsrud 1983；Jang-Green 2016）。近期，作者在检测一批送检祖母绿时，发现其中一颗宝石的裂隙内同时存在有机物和无机物。\"}},{\"id\":\"652468ad3\",\"type\":\"paragraph\",\"data\":{\"text\":\"这颗2.38 ct祖母绿呈中等至高饱和度的绿色（图22）。其宝石学特征符合祖母绿：折射率为1.560-1.568，傅里叶变换红外光谱呈现绿柱石的典型特征。显微观察显示其中含有流体包裹体和矿物包裹体，部分裂隙内还可见明显的填充区域。透射法傅里叶变换红外光谱在2850、2920和2955 cm⁻¹处出现吸收峰，表明存在有机填充物（Zwaan et al. 2005）。此外，部分裂隙中的一种绿色物质引起了我们的注意（图23a）。起初，我们认为这种绿色外观是由祖母绿主体的反射光造成的；然而，转动样品后，该物质仍呈绿色。除此之外，这种物质还充填于祖母绿内部的若干中空管道中（图23b）。\"}},{\"id\":\"be3e695e0\",\"type\":\"paragraph\",\"data\":{\"text\":\"拉曼光谱分析确认该绿色物质为氧化铬（Cr₂O₃），其特征峰位于305、349、545和608 cm⁻¹（Beattie & Gilson 1970）。氧化铬是宝石加工中常用的材料，通常用作抛光粉或研磨膏。因此，我们从深圳本地市场取得了这两类材料的样品，作为对比样进行分析（图24）。两种材料的拉曼光谱均与祖母绿中绿色物质的光谱高度吻合（图25）。\"}},{\"id\":\"0ff29d419\",\"type\":\"image\",\"data\":{\"src\":\"https://project-static.guildgemedu.com/docx-import/de092e727f9b4c2daa985acb01f82339.jpg\",\"caption\":\"图22：这颗2.38 ct祖母绿具有很好的绿色体色，但沿裂隙也可见无机绿色物质（圈示）。赵慧欣 摄。\",\"width\":\"100%\"}},{\"id\":\"88baff989\",\"type\":\"paragraph\",\"data\":{\"text\":\"这颗祖母绿裂隙内的绿色残留物对宝石整体颜色外观的影响似乎很小。考虑到宝石本身的颜色已经十分悦目，氧化铬不太可能是为了改善外观而被有意引入。加工人员可能曾使用这种抛光剂加工其他宝石材料，随后加工该祖母绿时，并未留意抛光剂本身的绿色。尽管此类残留物通常可通过酸洗去除，但有时仍会残留在裂隙中（例如参见Ringsrud 1983中的图8）。\"}},{\"id\":\"a43b93fac\",\"type\":\"image\",\"data\":{\"src\":\"https://project-static.guildgemedu.com/docx-import/089d4a743d004a0eb2c8fc39efdc3da6.jpg\",\"caption\":\"图23：祖母绿中绿色物质的局部放大图：（a）裂隙中的绿色物质；\",\"width\":\"100%\"}},{\"id\":\"05c840632\",\"type\":\"image\",\"data\":{\"src\":\"https://project-static.guildgemedu.com/docx-import/8d8fe34585d94b40be9afa4c152cb404.jpg\",\"caption\":\"（b）中空管道中的绿色物质。显微摄影：赵慧欣；图像宽度分别为（a）2.7 mm和（b）2.2 mm。\",\"width\":\"100%\"}},{\"id\":\"000933730\",\"type\":\"image\",\"data\":{\"src\":\"https://project-static.guildgemedu.com/docx-import/06b4133a759b49a8b76fb6eced4bdea0.jpg\",\"caption\":\"图24：从深圳本地市场取得的氧化铬抛光粉（左）和研磨膏（右），用于与祖母绿裂隙中的绿色物质进行对比。赵慧欣 摄。\",\"width\":\"100%\"}},{\"id\":\"253bb0a23\",\"type\":\"image\",\"data\":{\"src\":\"https://project-static.guildgemedu.com/docx-import/7d147d68cbcb45fda795186f991c631a.jpg\",\"caption\":\"图25：祖母绿裂隙中的绿色物质以及图24中两种抛光材料的拉曼光谱均在305、349、545和608 cm⁻¹处出现峰，与氧化铬的特征一致。\",\"width\":\"100%\"}},{\"id\":\"1e16cbb66\",\"type\":\"paragraph\",\"data\":{\"text\":\"我们认为，氧化铬可能难以彻底清除。祖母绿中存在此类物质时，应向客户披露，因为它并非宝石的固有成分，并可能在一定程度上改变宝石的颜色。类似情况也见于翡翠经填充的裂隙和孔洞中残留绿色抛光剂。如果不要求披露，可能会助长人为保留绿色抛光研磨残留物，以仿冒翡翠中绿色矿物的外观，而此类绿色表现对翡翠的定价具有重要影响。\"}},{\"id\":\"923e1c19d\",\"type\":\"paragraph\",\"data\":{\"text\":\"鞠丹、郜玉杰（peter.gao@guildgemlab.com）和孙雪莹\"}},{\"id\":\"1afdffe14\",\"type\":\"paragraph\",\"data\":{\"text\":\"吉尔德宝石实验室，中国深圳\"}},{\"id\":\"e62a44058\",\"type\":\"paragraph\",\"data\":{\"text\":\"参考文献\"}},{\"id\":\"8d9795365\",\"type\":\"paragraph\",\"data\":{\"text\":\"Beattie, I.R. & Gilson, T.R. 1970. The single‑crystal Raman spectra of nearly opaque materials. Iron(III) oxide and chromium(III) oxide. Journal of the Chemical Society A: Inorganic, Physical, Theoretical, 980‑986, https://doi.org/10.1039/j19700000980.\"}},{\"id\":\"b025c94c3\",\"type\":\"paragraph\",\"data\":{\"text\":\"Jang‑Green, H. 2016. Lab Notes: Dyed green beryl. Gems & Gemology, 52(4), 410.\"}},{\"id\":\"7719fa374\",\"type\":\"paragraph\",\"data\":{\"text\":\"McClure, S.F., Moses, T.M., Tannous, M. & Koivula, J.I. 1999. Classifying emerald clarity enhancement at the GIA Gem Trade Laboratory. Gems & Gemology, 35(4), 176‑185, https://doi.org/10.5741/gems.35.4.176.\"}},{\"id\":\"b524cc705\",\"type\":\"paragraph\",\"data\":{\"text\":\"Ringsrud, R. 1983. The oil treatment of emeralds in Bogotá, Colombia. Gems & Gemology, 19(3), 149‑156, https://doi.org/10.5741/gems.19.3.149.\"}},{\"id\":\"bcc19f7da\",\"type\":\"paragraph\",\"data\":{\"text\":\"Zwaan, J.C., Seifert, A.V., Vrana, S., Laurs, B.M., Anckar, B., Simmons, W.B. et al. 2005. Emeralds from the Kafubu area, Zambia. Gems & Gemology, 41(2), 116‑148, https://doi.org/10.5741/gems.41.2.116.\"}}]}","含绿色抛光剂残留物的祖母绿 祖母绿通常会使用有机填充物进行处理，以降低裂隙的可见度，从而改善净度（McClure et al. 1999）；在某些情况下，也会使用绿色油剂来改善其颜色（Ringsrud 1983；Jang-Green 2016）。近期，作者在检测一批送检祖母绿时，发现其中一颗宝石的裂隙内同时存在有机物和无机物。 这颗2.38 ct祖母绿呈中等至高饱和度的绿色（图22）。其宝石学特征...","Emerald Containing Residues of Green Polishing Compound","{\"blocks\":[{\"id\":\"3f01316d7\",\"type\":\"heading\",\"data\":{\"text\":\"Emerald Containing Residues of Green Polishing Compound\",\"level\":1}},{\"id\":\"2d7973cc1\",\"type\":\"paragraph\",\"data\":{\"text\":\"Emeralds are commonly treated with organic fillers to reduce the visibility of fissures and thus improve their clarity (McClure et al. 1999), and in some cases green oil is also used to enhance their colour (Ringsrud 1983; Jang‑Green 2016). Recently, while examining a parcel of emeralds submitted for identification, the authors encountered one stone containing organic as well as inorganic material in its fractures.\"}},{\"id\":\"562b11c33\",\"type\":\"paragraph\",\"data\":{\"text\":\"The green colour of the 2.38 ct gem showed a moderate to high saturation (Figure 22). Its gemmological features identified it as emerald, with RIs of 1.560‑1.568 and a typical FTIR spectrum for beryl. Microscopic observation revealed fluid and mineral inclusions, as well as some distinct areas containing filler in fissures. Transmission FTIR spectroscopy revealed peaks at 2850, 2920 and 2955 cm⁻¹, indicating the presence of an organic filler (i.e. oil; Zwaan et al. 2005). In addition, a green substance in some of the fissures caught our attention (Figure 23a). At first glance, we thought that its greenish appearance was caused by light reflecting off the gem host. However, as we rotated the sample, the substance still appeared green. In addition, it filled several hollow tubes in the emerald (Figure 23b).\"}},{\"id\":\"765c0ea06\",\"type\":\"paragraph\",\"data\":{\"text\":\"Raman spectroscopy of the green substance identified it as chromium oxide (Cr₂O₃), with peaks at 305, 349, 545 and 608 cm⁻¹ (Beattie & Gilson 1970). Chromium oxide is commonly used by gem cutters, usually as a polishing compound or abrasive paste, so we obtained samples of both these materials from the local market in Shenzhen to analyse for comparison (Figure 24). Their Raman spectra agreed well with that of the green substance in the emerald (Figure 25).\"}},{\"id\":\"d5e15f8d7\",\"type\":\"image\",\"data\":{\"src\":\"https://project-static.guildgemedu.com/docx-import/0556f0eb3950465db6cdf773504e5b28.jpg\",\"caption\":\"Figure 22: This 2.38 ct emerald exhibits an attractive green body colour, but inorganic green material is also visible along fractures (circled). Photo by H. X. Zhao.\",\"width\":\"100%\"}},{\"id\":\"ffd1e803d\",\"type\":\"paragraph\",\"data\":{\"text\":\"The green residues in the fissures of this emerald seem to contribute little to the gem’s colour appearance. Considering the stone’s inherently attractive colour, it is unlikely that the chromium oxide was intentionally introduced in an effort to improve its appearance. The gem cutter may have been using the polishing compound with other gem materials and paid no attention to its green colour when subsequently cutting the emerald. Although such residues are typically removed by cleaning the stone in acid, sometimes they remain in fissures (see, e.g., figure 8 in Ringsrud 1983).\"}},{\"id\":\"5ab8c4090\",\"type\":\"image\",\"data\":{\"src\":\"https://project-static.guildgemedu.com/docx-import/ad267e74ad2a447a9f67d1c79f0382e4.jpg\",\"caption\":\"\",\"width\":\"100%\"}},{\"id\":\"2fed72465\",\"type\":\"image\",\"data\":{\"src\":\"https://project-static.guildgemedu.com/docx-import/419a3fc99d0f4eb2b22c7994e0cbe03c.jpg\",\"caption\":\"Figure 23: Closer views of the green substance in the emerald are shown (a) in a fissure and (b) in hollow tubes. Photomicrographs by H. X. Zhao; image widths (a) 2.7 mm and (b) 2.2 mm.\",\"width\":\"100%\"}},{\"id\":\"f255575d9\",\"type\":\"image\",\"data\":{\"src\":\"https://project-static.guildgemedu.com/docx-import/0e926ca8408b4b2fb340b1a97b6d8685.jpg\",\"caption\":\"Figure 24: Chromium oxide polishing compound (left) and abrasive paste (right) were obtained for comparison with the green substance in the emerald’s fissures. Photo by H. X. Zhao.\",\"width\":\"100%\"}},{\"id\":\"1fb55b5dd\",\"type\":\"image\",\"data\":{\"src\":\"https://project-static.guildgemedu.com/docx-import/b226fcfe06b0494b9e711630948ccb86.jpg\",\"caption\":\"Figure 25: Raman spectra of the green material in the emerald’s fissures and the two polishing compounds in Figure 24 all display peaks at 305, 349, 545 and 608 cm⁻¹, consistent with chromium oxide.\",\"width\":\"100%\"}},{\"id\":\"da69a5528\",\"type\":\"paragraph\",\"data\":{\"text\":\"In our view, chromium oxide can be difficult to remove and such a substance in emerald should be disclosed to a client, since it is not intrinsic to the gem and may modify its colour to some extent. A similar situation exists with the presence of green polishing compound within filled fractures and cavities in jadeite. It is possible that not requiring such disclosure may promote the intentional use of green polishing abrasive residues to imitate the appearance of green minerals in jadeite, which play an important role in its pricing.\"}},{\"id\":\"df426fb48\",\"type\":\"paragraph\",\"data\":{\"text\":\"Dan Ju, Yujie Gao (peter.gao@guildgemlab.com) and Xueying Sun\"}},{\"id\":\"43a475d75\",\"type\":\"paragraph\",\"data\":{\"text\":\"Guild Gem Laboratories, Shenzhen, China\"}},{\"id\":\"7ed64bfcc\",\"type\":\"paragraph\",\"data\":{\"text\":\"References\"}},{\"id\":\"b3bd43cf0\",\"type\":\"paragraph\",\"data\":{\"text\":\"Beattie, I.R. & Gilson, T.R. 1970. The single‑crystal Raman spectra of nearly opaque materials. Iron(III) oxide and chromium(III) oxide. Journal of the Chemical Society A: Inorganic, Physical, Theoretical, 980‑986, https://doi.org/10.1039/j19700000980.\"}},{\"id\":\"4c912cc87\",\"type\":\"paragraph\",\"data\":{\"text\":\"Jang‑Green, H. 2016. Lab Notes: Dyed green beryl. Gems & Gemology, 52(4), 410.\"}},{\"id\":\"dc82a8c1c\",\"type\":\"paragraph\",\"data\":{\"text\":\"McClure, S.F., Moses, T.M., Tannous, M. & Koivula, J.I. 1999. Classifying emerald clarity enhancement at the GIA Gem Trade Laboratory. Gems & Gemology, 35(4), 176‑185, https://doi.org/10.5741/gems.35.4.176.\"}},{\"id\":\"78006f177\",\"type\":\"paragraph\",\"data\":{\"text\":\"Ringsrud, R. 1983. The oil treatment of emeralds in Bogotá, Colombia. Gems & Gemology, 19(3), 149‑156, https://doi.org/10.5741/gems.19.3.149.\"}},{\"id\":\"0fac269af\",\"type\":\"paragraph\",\"data\":{\"text\":\"Zwaan, J.C., Seifert, A.V., Vrana, S., Laurs, B.M., Anckar, B., Simmons, W.B. et al. 2005. Emeralds from the Kafubu area, Zambia. Gems & Gemology, 41(2), 116‑148, https://doi.org/10.5741/gems.41.2.116.\"}}]}","Emerald Containing Residues of Green Polishing Compound Emeralds are commonly treated with organic fillers to reduce the visibility of fissures and thus improve their clarity (McClure et al. 1999), an...","https://project-static.guildgemedu.com/project/0c80e63b-44dc-4c01-898b-8e13fa1f99d6.jpg","center",false,"2026-09-11T16:17:16","HuangTianTian","2026-09-11T16:22:54",101,"2026-09-11T00:15:00",[],[],[246,247,257,267,278,288,298,308,318,328],{"id":241,"slug":227,"content_type":228,"title":229,"title_en":232,"excerpt":231,"excerpt_en":234,"featured_image_url":235,"cover_position":236,"is_featured":237,"is_published":13,"is_zh_open":13,"is_en_open":13,"published_at":238,"created_at":242},{"id":248,"slug":249,"content_type":228,"title":250,"title_en":251,"excerpt":252,"excerpt_en":253,"featured_image_url":254,"cover_position":236,"is_featured":237,"is_published":13,"is_zh_open":13,"is_en_open":13,"published_at":255,"created_at":256},100,"natural-emerald-with-inclusions-along-three-directions","天然祖母绿中沿三向分布的包裹体","Natural emerald with inclusions along three directions.","天然祖母绿中沿三向分布的包裹体 近期，GUILD宝石实验室收到一颗10.48 ct的糖塔形祖母绿（图1），需进行鉴定和产地确定。其折射率（约1.58）和比重（约2.80）均在绿柱石的范围内，傅里叶变换红外光谱（FTIR）测试确认其为天然祖母绿。此外，能量色散X射线荧光（EDXRF）分析显示，其Fe、V和Cr含量与赞比亚产祖母绿的含量一致。  将该宝石底面朝上置于偏光镜下时，可见干涉色。通过锥光镜确...","Natural emerald with inclusions along three directions. Recently, Guild Gem Laboratories received a 10.48 ct sugarloaf emerald (figure 1) for identification and origin determination. The refractive in...","https://project-static.guildgemedu.com/project/99d89407-9627-4bef-86fb-12221d2c8c17.jpg","2026-09-11T16:07:04","2026-09-11T00:04:00",{"id":258,"slug":259,"content_type":228,"title":260,"title_en":261,"excerpt":262,"excerpt_en":263,"featured_image_url":264,"cover_position":236,"is_featured":237,"is_published":13,"is_zh_open":13,"is_en_open":13,"published_at":265,"created_at":266},99,"gota-de-aceite-effect-in-emerald-observation-and-cause","祖母绿中油滴效应的观察与成因","“Gota de aceite” Effect in Emerald: Observation and Cause","祖母绿中的“油滴”效应：观察与成因 摘要：高饱和度绿色和高净度的祖母绿深受宝石商人和收藏家的珍视与追捧。而具有所谓“油滴”（gota de aceite）光学效应的绿色祖母绿更为罕见。此类样品的稀缺导致相关研究匮乏。本文报道了一颗具有明显“油滴”效应的5.1克拉祖母绿的宝石学特征，并从晶体结构角度描述和阐释了“油滴”效应的成因。 ","Emeralds with highly saturated green color and pure clarity are strongly cherished and coveted by gem dealers and collectors. Those green beauties with the so called “Gota de aceite” optical phenomenon are rarer. Rarity of such samples causes the scarcity of related research on this subject. This article reports on the gemological features of one 5.1ct emerald with distinct “gota de aceite” effect. Also, the possible cause of “gota de aceite” is described and illustrated in crystalline structural perspective.","https://project-static.guildgemedu.com/project/d588290b-4f39-4994-96b2-2b9ee88b3424.jpg","2026-09-11T16:03:51","2026-09-10T23:54:00",{"id":268,"slug":269,"content_type":270,"title":271,"title_en":272,"excerpt":273,"excerpt_en":274,"featured_image_url":275,"cover_position":236,"is_featured":13,"is_published":13,"is_zh_open":13,"is_en_open":13,"published_at":276,"created_at":277},98,"a-decade-in-the-field-guild-gem-laboratories-reflects-on-10-years-of-field-gemology-research-in-bang","news","A Decade in the Field｜GUILD吉尔德宝石实验室在曼谷回顾十年实地宝石学研究","\"A Decade in the Field\" | GUILD Gem Laboratories Reflects on 10 Years of Field Gemology Research in Bangkok","A Decade in the Field｜GUILD吉尔德宝石实验室在曼谷回顾十年实地宝石学研究 2026年9月7日，GUILD吉尔德宝石实验室在泰国曼谷举办“A Decade in the Field”周年主题活动，首次系统回顾了过去十年围绕实地宝石学研。活动以“Mine to Market”为主线，介绍产区考察、源头样品和市场观察如何应用于实验室研究与宝石学教育。   左1 | 泰国珠宝首饰...","BANGKOK, September 7, 2026 — GUILD Gem Laboratories marked ten years of field gemology research with “A Decade in the Field,” an anniversary event held in Bangkok. Built around the theme “Mine to Mark...","https://project-static.guildgemedu.com/project/a63af724-b773-4b7a-bf42-6b5d6e84b7b4.jpg","2026-09-08T12:10:43","2026-09-07T12:08:00",{"id":279,"slug":280,"content_type":228,"title":281,"title_en":282,"excerpt":283,"excerpt_en":284,"featured_image_url":285,"cover_position":236,"is_featured":13,"is_published":13,"is_zh_open":13,"is_en_open":13,"published_at":286,"created_at":287},96,"sugar-nephrite-from-the-altun-mountains-xinjiang-china","中国新疆阿尔金山“糖白料”和田玉","‘Sugar’ Nephrite from the Altun Mountains, Xinjiang, China","中国新疆阿尔金山“糖白料”和田玉 和田玉在中国具有悠久历史和深厚的文化意义，同时也拥有庞大的消费市场。2025 年 7 月，作者前往中国西北部新疆维吾尔自治区的和田玉矿区进行野外考察，并在多个地点亲自采集了不同品种的和田玉。其中一种被称为“糖白料”和田玉，因具有棕白相间的特征色带而备受关注。由于棕色部分类似红糖的色调，白色部分则类似白糖，因此整体呈现“糖”般的外观，这也成为其在玉石贸易中的俗称。该...","‘Sugar’ Nephrite from the Altun Mountains, Xinjiang, China Nephrite has a long history and profound cultural significance in China, along with a vast consumer market. In July 2025, author YG conducted...","https://project-static.guildgemedu.com/project/b1f53c84-2281-4404-b786-3eb6ae4c91a9.jpg","2026-08-05T15:47:31","2026-08-04T15:43:00",{"id":289,"slug":290,"content_type":228,"title":291,"title_en":292,"excerpt":293,"excerpt_en":294,"featured_image_url":295,"cover_position":236,"is_featured":13,"is_published":13,"is_zh_open":13,"is_en_open":13,"published_at":296,"created_at":297},95,"grandidierite-inclusions-in-a-sri-lankan-sapphire","斯里兰卡蓝宝石中首次发现罕见包裹体——硅硼镁铝石","Grandidierite Inclusions in a Sri Lankan Sapphire","斯里兰卡蓝宝石中首次发现罕见包裹体——硅硼镁铝石 在宝石的世界里，包裹体宛如一把独特的钥匙，它不仅是鉴定宝石产地的重要依据，更能为我们揭开宝石形成地质环境的神秘面纱。 最近，GUILD宝石实验室收到一颗来自斯里兰卡的蓝宝石原石（图1）。这颗原石内部包含多种包裹体，包括片状的黑色石墨和透明的金云母晶体（图2）等。这些包裹体在斯里兰卡蓝宝石中非常常见。 在进一步的显微观察过程中，一些无色透明的细长柱状...","Grandidierite Inclusions in a Sri Lankan Sapphire Inclusions serve not only as important features for determining a gemstone's origin but also as indicators of the geological environment in which the ...","https://project-static.guildgemedu.com/project/9402da5d-0c80-4940-9bf0-e7ce99ed48fc.JPG","2026-08-05T15:41:53","2026-08-04T15:34:00",{"id":299,"slug":300,"content_type":228,"title":301,"title_en":302,"excerpt":303,"excerpt_en":304,"featured_image_url":305,"cover_position":236,"is_featured":13,"is_published":13,"is_zh_open":13,"is_en_open":13,"published_at":306,"created_at":307},94,"a-rare-inclusion-assemblage-in-a-ruby-from-mogok-myanmar-lazurite-sulphur-and-bystrite","缅甸抹谷红宝石中的罕见包裹体组合：青金石，自然硫和比钙霞石","A Rare Inclusion Assemblage in a Ruby from Mogok, Myanmar: Lazurite, Sulphur and Bystrite","缅甸抹谷红宝石中的罕见包裹体组合：青金石，自然硫和比钙霞石          新技术的开发与应用一直以来都是行业快速升级迭代的引擎。拉曼的应用极大促进了宝石学家对包裹体的理解和认知，并指导宝石检测和研究工作。在红宝石研究中，GUILD宝石实验室应用拉曼对红宝石矿物进行识别，从而帮助进行更为准确的产地判定。         GUILD宝石实验室收到了一颗2.22 ct的椭圆形刻面红色宝石。通过傅里叶...","A Rare Inclusion Assemblage in a Ruby from Mogok, Myanmar: Lazurite, Sulphur and Bystrite A 2.22 ct oval-cut ruby was recently submitted to Guild Gem Laboratories for identification (Figure 6). Fourie...","https://project-static.guildgemedu.com/project/0f56cb90-7d81-4b70-ac7d-250efec57fff.jpg","2026-08-05T15:32:18","2026-08-04T15:17:00",{"id":309,"slug":310,"content_type":228,"title":311,"title_en":312,"excerpt":313,"excerpt_en":314,"featured_image_url":315,"cover_position":236,"is_featured":237,"is_published":13,"is_zh_open":13,"is_en_open":13,"published_at":316,"created_at":317},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":319,"slug":320,"content_type":228,"title":321,"title_en":322,"excerpt":323,"excerpt_en":324,"featured_image_url":325,"cover_position":236,"is_featured":13,"is_published":13,"is_zh_open":13,"is_en_open":13,"published_at":326,"created_at":327},91,"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","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 Abstract: Seventeen pink-green bicolored tourmaline samples were studied by standard gemological testing, Fourier transform infrared spe...","https://project-static.guildgemedu.com/project/e257b3bf-6327-4ac7-8b00-c2032aa8d5c5.jpg","2026-07-06T13:51:58","2026-07-05T12:26:00",{"id":329,"slug":330,"content_type":228,"title":331,"title_en":332,"excerpt":333,"excerpt_en":334,"featured_image_url":335,"cover_position":236,"is_featured":237,"is_published":13,"is_zh_open":13,"is_en_open":13,"published_at":336,"created_at":337},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/f2cf4b08-c538-4dae-b228-cdd40557c87d.jpg","2026-07-06T13:57:19","2026-07-05T05:52:00",1789718512304]