Tourmaline. There are lots of pics of the red and green, but you don't see much of this. So beautiful.
White diamond is largest firm has unearthed from mine since 507-carat Cullinan heritage in 2009, which fetched $35.3m
Contraluz Opal from Oregon, cut and polished. Scheduled to appear in next year's edition of the Handbook of Gemmology.
Helianthos Garnet in Sunlight.
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Quartz (Amethyst) 'hour glass'
Cavansite from Wagholi Quarry, Wagholi, Pune District (Poonah District), Maharashtra, India
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Beautifull Rough Ruby you can easily observ the classical facies of the trigonal (rhombedric) symetry in this specimen. Tabular, short prismik facets, piramidal marks on the pinacoid..I love it!!!