Hydroxylherderite on Muscovite (ex Rolando Gioia Collection)

Minas Gerais, Brazil
Thumbnail, 2.5 x 2.3 x 2.1 cm
Start Time: 08/23/2018 6:30:00 pm (CDT)
End Time: 08/30/2018 6:30:00 pm (CDT)
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Item Description

An unusual specimen of green colored Hydroxylherderite on Muscovite from an undisclosed locality in Brazil. The piece features many well-formed, sharp, lustrous, translucent crystals measuring up to 6 mm on a lovely golden "rosette" of Muscovite mica. From the collection of Rolando Gioia (a contributor to the new definitive book on Brazilian minerals: "Minerais e Pedras Preciosas do Brasil").

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