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.

Euchroite
General
CategoryArsenate minerals
Formula
(repeating unit)
Cu2AsO4OH·3H2O
IMA symbolEuc[1]
Strunz classification8.DC.07
Crystal systemOrthorhombic
Crystal classDisphenoidal (222)
H-M symbol: (2 2 2)
Space groupP212121

References

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  1. ^ 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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