[{"data":1,"prerenderedAt":280},["ShallowReactive",2],{"header-nav-data":3,"paper-zh-trapiche-emerald-from-swat-valley-pakistan":226,"related-papers-zh":251},{"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":229,"content_en":230,"excerpt_en":231,"featured_image_url":232,"cover_position":233,"is_featured":234,"is_published":13,"published_at":235,"published_by_name":236,"authors":237,"venue":238,"paper_published_date":239,"citation":240,"paper_type":241,"last_updated_at":242,"last_updated_by_name":236,"id":28,"created_at":239,"is_deleted":234,"external_links":243,"attachments":247},"trapiche-emerald-from-swat-valley-pakistan","papers","Trapiche Emerald from Swat Valley, Pakistan","{\"blocks\":[{\"id\":\"3c1b4631b\",\"type\":\"paragraph\",\"data\":{\"text\":\"Trapiche emerald from Swat Valley, Pakistan\"}},{\"id\":\"1213fe9d0\",\"type\":\"paragraph\",\"data\":{\"text\":\"Trapiche emeralds are usually found in Colombia. Recently the authors received six emeralds reportedly from Swat Valley, Pakistan, polished as double-sided wafers, retaining their original hexagonal crystal habit and exhibiting a trapiche-like pattern (figure 1). These samples weighed from 0.38 to 0.83 ct, with a refractive index of 1.588–1.599 and a birefringence of 0.009–0.011.\"}},{\"id\":\"0896ab8c4\",\"type\":\"paragraph\",\"data\":{\"text\":\"Generally, these trapiche emeralds were composed of four parts from rim to core: a green rim, a light green area, six arms, and a colorless core, as illustrated in figure 2A. The rims had a highly saturated green color, and most were relatively clean except for several fractures and tiny fluid inclusions. The rims ranged from approximately 1 to 2 mm wide. Although the boundary between the green rim and the light area was not very sharp, a hexagonal boundary was visible. Six black arms spread in a hexagonal symmetric pattern, with each arm perpendicular to the hexagonal side. The colorless core usually had a hexagonal shape.\"}},{\"id\":\"26985dd91\",\"type\":\"paragraph\",\"data\":{\"text\":\"Microscopic observation revealed that every arm contained many minute black platy inclusions. These small particles appeared dark under transmitted light (figure 2B), while they showed bright metallic luster under reflected light (figure 2C). Micro-Raman analyses (figure 3) identified these inclusions as magnetite. Peaks at 662 and 545 cm\u003Csup>–1\u003C/sup> were consistent with two main peaks of magnetite, according to the RRUFF online database, while peaks at 683 and 400 cm\u003Csup>–1\u003C/sup>\u003Csup> \u003C/sup>may be as- signed to the emerald host. Chemical analysis by energy-dispersive X-ray fluorescence (EDXRF) on the sample shown in figure 19 revealed an iron content of 20,860 ppm (n = 3) in the light green area and 17,000 ppm (n = 3) in the rim. The difference in iron content may be due to the inclusions, since magnetite (Fe\u003Csub>3\u003C/sub>O\u003Csub>4\u003C/sub>) is mainly composed of iron and oxygen.\"}},{\"id\":\"bf707a27f\",\"type\":\"paragraph\",\"data\":{\"text\":\"To our knowledge, there have not been many reports of trapiche emerald from localities other than Colombia. The trapiche pattern caused by platy magnetite inclusions could help advance our understanding of trapiche.\"}},{\"id\":\"e3866550a\",\"type\":\"paragraph\",\"data\":{\"text\":\"Yujie Gao, Xueying Sun (shirley.sun@guildgemlab.com),\"}},{\"id\":\"df42b310e\",\"type\":\"paragraph\",\"data\":{\"text\":\"and Mengjie Shan\"}},{\"id\":\"c6a817eb3\",\"type\":\"paragraph\",\"data\":{\"text\":\"Guild Gem Laboratories, Shenzhen, China\"}},{\"id\":\"7e3bad384\",\"type\":\"image\",\"data\":{\"src\":\"https://project-static.guildgemedu.com/docx-import/c3d0fd2ff7be4eeb8842488f566e99fd.jpg\",\"caption\":\"\",\"width\":\"100%\"}},{\"id\":\"7a2051772\",\"type\":\"paragraph\",\"data\":{\"text\":\"Figure 1. Six emerald wafers reportedly from Swat Valley, Pakistan, showing a trapiche-like pattern. They range from 0.83 to 0.38 ct from left to right, with a thickness of about 1.51 to 2.08 mm. Photo by Kaiyin Deng.\"}},{\"id\":\"aec65ea35\",\"type\":\"image\",\"data\":{\"src\":\"https://project-static.guildgemedu.com/docx-import/4f0385eaacbf40038bd10dd3569914e0.jpg\",\"caption\":\"\",\"width\":\"100%\"}},{\"id\":\"71c672584\",\"type\":\"paragraph\",\"data\":{\"text\":\"Figure 2. These trapiche emeralds from Pakistan were mainly composed of four parts: a green rim, a light green area, six arms, and a nearly colorless core as illustrated in figure A. These arms appear dark under transmitted light (B), and show bright metallic luster under reflected light (C); field of view 8.48 mm. Illustration and photos by Yujie Gao.\"}},{\"id\":\"5a7574877\",\"type\":\"image\",\"data\":{\"src\":\"https://project-static.guildgemedu.com/docx-import/d3d1355a032941b9a99c484e7e51d36d.jpg\",\"caption\":\"\",\"width\":\"100%\"}},{\"id\":\"56d7a5082\",\"type\":\"paragraph\",\"data\":{\"text\":\"Figure 3. Raman analysis identified these inclusions as magnetite. Peaks at 662 and 545 cm\u003Csup>–1 \u003C/sup>agree with the two main peaks of magnetite, according to the RRUFF database, while peaks at 683 and 400 cm\u003Csup>–1\u003C/sup> may be assigned to the emerald host.\"}}]}","Trapiche emerald from Swat Valley, Pakistan. Trapiche emeralds are usually found in Colombia. Recently the authors received six emeralds reportedly from Swat Valley, Pakistan, polished as double-sided...","https://project-static.guildgemedu.com/project/74efe986-08fa-477f-9030-10484ac0aca2.jpg","center",false,"2026-02-03T16:14:42","samuel","Gao Y.J., Sun X.Y., Shan M.J.","Gems & Gemology","2019-09-01T00:00:00","Gao Y.J., Sun X.Y., Shan M.J. (2019) Trapiche Emerald from Swat Valley, Pakistan. Gems & Gemology, Vol. 55, No. 3, pp. 441-442.","journal","2026-09-03T09:51:23",[244],{"id":210,"url":245,"title":246},"https://www.gia.edu/gems-gemology/fall-2019-gemnews-trapiche-emerald-swat-valley","GIA",[248],{"id":210,"url":249,"name":250},"https://project-static.guildgemedu.com/project/e4ffbbff-80b6-4c4f-bc57-6df7c21170ed.pdf","2019_Trapiche Emerald from Swat Valley, Pakistan_Gao_Gems & Gemology.pdf",[252,265],{"id":253,"slug":254,"content_type":228,"title":255,"title_en":255,"excerpt":256,"excerpt_en":256,"featured_image_url":257,"cover_position":233,"is_featured":234,"is_published":13,"is_zh_open":13,"is_en_open":13,"published_at":258,"created_at":259,"authors":260,"venue":261,"paper_published_date":259,"citation":262,"paper_type":241,"external_links":263,"attachments":264},97,"remarkable-hexagram-pattern-produced-by-a-trapiche-emerald-from-colombia","Remarkable Hexagram Pattern Produced by a Trapiche Emerald from Colombia","The unique trapiche emeralds from Colombia exert a fascination for many gemologists. A special trapiche emerald weighing as large as 22.63 ct has ever been submitted to Guild Gem Laboratories for identification (figure 1). Standard gemological testing showed properties consistent with emerald, with a uniaxial negative optic character and a refractive index of approximately 1.57. Chemical analysis and gemological observation of internal features determined the origin of this stone to be Colombia.","https://project-static.guildgemedu.com/project/2b989ce0-0640-4ee5-95ee-56619fe25bc9.jpg","2026-09-03T09:57:37","2026-01-01T00:00:00","Sun Xueying, Gao Yujie, Deng Kaiyin","The Journal of Gemmology","[25] Sun Xueying, Gao Yujie, Deng Kaiyin. (2023) ‘Star of David’ Pattern Produced by a Trapiche Emerald from Colombia. The Journal of Gemmology, Vol. 38, No. 7, pp. 652-653.",[],[],{"id":126,"slug":266,"content_type":228,"title":267,"title_en":267,"excerpt":268,"excerpt_en":268,"featured_image_url":269,"cover_position":233,"is_featured":234,"is_published":13,"is_zh_open":13,"is_en_open":13,"published_at":270,"created_at":271,"authors":272,"venue":261,"paper_published_date":271,"citation":273,"paper_type":241,"external_links":274,"attachments":275},"sugar-nephrite-from-the-altun-mountains-xinjiang-china","'Sugar' Nephrite from the Altun Mountains, Xinjiang, China","Nephrite has a long history and profound culturalsignificance in China, along with a vast consumer market. In July 2025, author YG conducted a field trip to nephrite mining areas in the Xinjiang Uygur...","https://project-static.guildgemedu.com/project/35494227-9275-4a4e-bb92-a7077e0b8631.jpg","2026-03-20T16:04:57","2025-03-01T00:00:00","Gao Yujie, Huang Tiantian, Lu Qi.","[58] Gao Yujie, Huang Tiantian, Lu Qi. ‘Sugar’ Nephrite from the Altun Mountains, Xinjiang, China. (2025) The Journal of Gemmology, Vol. 39, No. 7, pp. 611-613.",[],[276],{"id":277,"url":278,"name":279},26,"https://project-static.guildgemedu.com/project/0c432edc-093b-4c46-b9fb-6fbe1caabf95.pdf","2025_‘Sugar’ Nephrite from the Altun Mountains, Xinjiang, China_Gao_JoG.pdf",1789718512510]