16 mai 2012

Large and Impressive Vivianite on Siderite Matrix. Huanuni mine, Oruro Department, Dalence Province, La Paz, Bolivia

Large and Impressive Vivianite on Siderite Matrix. Huanuni mine, Oruro Department, Dalence Province, La Paz, Bolivia. Photo Bonhams A hydrous iron phosphate vivianite was named after J. G. Vivian. Huanuni is the classic location from which the finest vivianites originate. This is, in our opinion, the best matrix vivianite ever seen from this or any other locality. There are over 20 thick bladed, deep bottle green crystals on the specimen and most measure at least 3 inches in length with several double-terminated... [Lire la suite]
Posté par Alain Truong à 09:16 - - Commentaires [0] - Permalien [#]
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