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Very Large Phosgenite image 1
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Lot 1243

Very Large Phosgenite

26 – 27 October 2020, 11:00 PDT
Los Angeles

Sold for US$446.25 inc. premium

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Very Large Phosgenite

Touissit Mine, Oujda, Morocco
Faceted by Jay Medici

The name phosgenite is derived from phosgene or carbonyl dichloride, COCI2, because the mineral contains carbon, oxygen, and chlorine. A rare mineral phosgenite is formed in the oxidation zone of lead ore deposits, especially where sea water is present. This shield-shaped stone of rich whiskey hue displays the brilliant adamantine luster for which the species is known, yet it is soft and difficult to facet, RHC4355. The stone was custom-cut by rare gemstone cutter Jay Medici of Ohio from rough that Rock provided. Weighing approximately 67.08 carats and measuring 20.36 x 18.95 x 13.46 mm

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