Mineralpedia Details for Richelsdorfite

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Richelsdorfite

Formula: Ca₂Cu₅Sb⁵⁺(AsO₄)₄(OH)₆Cl·6H₂O
Crystal System: Monoclinic
Cleavage: Perfect, None, None
Luster: Vitreous (Glassy)
Color: sky blue, turquoise
Streak: greenish blue
Class: Monoclinic - Prismatic
Hardness: 2
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Richelsdorfite from Richelsdorf, Hesse, Germany

Special Info: Type Locality

Light sky-blue microcrystalline encrustations of Richelsdorfite on a slender piece of black matrix.

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Richelsdorfite from Burrus mine, Washoe Co., Nevada, United States

Special Info: EDS Confirmed

There are two localities of Richelsdorfite in Nevada; the Gold Chain mine in Utah and the Burrus mine in Nevada. These specimens from the Burrus mine, are some of the best quality Richelsdorfite around. The crystals occur as tiny less than 0.5mm clusters and single distinct crystals filling the many vugs.