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Quartz (GEM quality) with iron oxide inclusions (ex Rolando Gioia Collection)
- Diamantina, Minas Gerais, Brazil
- Cabinet, 14.7 x 3.1 x 2.2 cm
- Start Time: 05/10/2018 6:45:00 pm (CDT)
- End Time: 05/17/2018 6:46:30 pm (CDT)
- Auction Closed
Item Description
A large single prism of GEM quality, colorless Quartz with some smaller accessory crytals near the base is partially included with and / or coated by yellow iron oxide. The main crystal is undamaged and is literally WATER CLEAR inside. The two-toned effect makes it stand out much more than an ordinary single Quartz crystal, and the quality is about as good as it gets for the locality. A wonderful nearly 6-inch long specimen of this classic material from Brazil. Specimen weight is 96.45 grams. From the collection of Rolando Gioia (a contributor to new definitive book on Brazilian minerals: "Minerais e Pedras Preciosas do Brasil").
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