Tourmaline (5.85 grams) (ex Rolando Gioia Collection)

Minas Gerais, Brazil
Miniature, 3.7 x 0.8 x 0.5 cm
Start Time: 02/08/2018 6:45:00 pm (CST)
End Time: 02/15/2018 6:45:00 pm (CST)
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Item Description

A gemmy, richly colored Tourmaline specimen from an undisclosed locality Brazil. A sharp, lustrous, striated prism that actually shows distinct color zoning ranging from notably brownish hue to distinctly green in the center. The trigonal termination is complete and undamaged. Weight of the specimen is 5.85 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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