The wulfenites in this specimen contain inclusions that make one side of their crystal surfaces brown. The other sides are lustrous red. 8.3 x 7.3 x 4.6 cm, source near Urumqi, Kuruktag Mountains, Xinjiang Uygur Region, Northern China. © Rob Lavinsky, www.iRocks.com. Used with permission.

Wulfenite | Red | 83 ct - International Gem Society

Wulfenite id-m-438796 - International Gem Society

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Wulfenite | Red | 83 ct

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Wulfenite

The <a href="https://www.irocks.com/minerals/specimen/2153" data-wpel-link="external" target="_blank" rel="external nofollow">wulfenites</a> in this specimen contain <a href="https://www.gemsociety.org/article/inclusions/" data-wpel-link="internal">inclusions</a> that make one side of their crystal surfaces brown. The other sides are lustrous red. 8.3 x 7.3 x 4.6 cm, source near Urumqi, Kuruktag Mountains, Xinjiang Uygur Region, Northern China. © Rob Lavinsky, <a href="https://www.irocks.com/" data-wpel-link="external" target="_blank" rel="external nofollow">www.iRocks.com</a>. Used with permission.

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Dr. Gerald Wykoff GG CSM

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The late Jeff Graham was a prolific faceter, creator of many original faceting designs, and the author of several highly-regarded instructional faceting books such as <a href="https://rockpeddler.com/product-category/instructional-materials/">Gram Faceting Designs</a>.

Jeff R. Graham

Bear Williams, CG, FGA (Hon), is President and Laboratory Director at <a href="https://stonegrouplabs.com/">Stone Group Laboratories</a>. Bear travels to gem producing countries and treating regions researching the latest trends in gemology and visiting with other lab directors. On-site research allows him to keep abreast of new synthetics and treatments in the marketplace. He regularly meets with other gemological associations and labs, and together will present research findings, and discuss the latest nomenclature or laboratory issues relevant to the trade and consumers. Recognized as an expert in the field of digital spectroscopy, Bear operates UV-Vis-NIR, ED-XRF, FTIR, UV, and Raman Spectrometers.

Bear Williams

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Kyrylo Gubariev, Graduate Gemologist (GG, AJP) is a gemologist with a passion for sharing his knowledge with fellow gem lovers. Originally from Ukraine, he is currently based in Bangkok, Thailand.

Gemstone	Wulfenite
Natural or man made	Natural
Origin	China
Origin details	Urumqi, Kuruktag Mountains, Xinjiang Uygur Region
Carat Weight	83
Height	73
Width	46
Gem State	Specimen
Color	Red
Transparency	Opaque