Euchroite
(repeating unit)Cu2AsO4OH·3H2O IMA symbol Euc[1] Strunz classification 8.DC.07 Crystal system Orthorhombic Crystal class Disphenoidal (222)
H-M symbol: (2 2 2) Space group P212121
H-M symbol: (2 2 2)
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.
References
- ^ Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine. 85 (3): 291–320. Bibcode:2021MinM...85..291W. doi:10.1180/mgm.2021.43. S2CID 235729616.
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