A THICK NATURAL CHUNK OF BRIGHT PURPLE GEM QUALITY CHAROITE WITH SILKY SWIRLS OF OF FIBROUS CHATOYANT BUNDLES OF VIOLET COLORS FROM YAKUTSK RUSSIA WEIGHING 4 POUNDS AND 7 OUNCES AND MEASURING 8 INCHES BY 5 INCHES BY 2 AND 1/4 INCHS. THIS ROUGH CONTAINS OUTSTANDING BLACK NEEDLELIKE INCLUSIONS OF AEGERINE-AUGITE , WITH ORANGE TINAKSITE AND CRYSTALS OF MICROCLINE FELDSPAR. IN RUSSIA THIS MATERIAL IS KNOWN AS SIRENEVY KAMEN, (LILAC STONE). EXPORT OF THIS ROUGH MATERIAL FROM RUSSIA HAS BEEN PROHIBITED. THE STRUCTURE OF THIS ROUGH PROVIDES OUTSTANDING CHATOYANCY, AND WHEN CUT PROPERLY WILL PRODUCE OUTSTANDING GEMS WITH GREAT VISUAL EFFECTS.
R.A. SMEE, GRADUATE GEMOLOGIST, SINCE 1974
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