Euchroite

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Euchroite
Mineraly.sk - euchroit.jpg
Euchroite from Slovakia
General
Category Arsenate minerals
Formula
(repeating unit)
Cu2AsO4OH·3H2O
Strunz classification 8.DC.07
Crystal system Orthorhombic
Disphenoidal class
Identification
Crystal symmetry Orthorhombic
H-M symbol: (2 2 2)
Space group: P 212121

Euchroite is a hydrated copper arsenate hydroxide mineral with formula: Cu2AsO4OH·3H2O. It is a vitreous green to emerald green mineral crystallizing in the orthorhombic system. It has a Mohs hardness of 3.5 - 4.0 and a specific gravity of 3.39 - 3.45. It was first described in 1823 in Ľubietová, Slovakia.

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