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Euchroite

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RSL629848

Euchroite

Type Locality

Description Tabs

Description
Locality: 
Svätodušná Deposit, Ľubietová, Banská Bystrica County, Banská Bystrica Region, Slovakia (Slovak Republic)
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 5.2 × 4.7 cm
Largest Crystal: 
0.20cm
Description

Aesthetic specimen of eucroite formed by several groups of crystals of this rare hydrated copper arsenate. Crystals show rhombic idiomorphic forms, with defined and bright faces, between translucent to transparent. Under loupe are really atractive. Intense emerald green color, very characteristic, and in the typical shale matrix. In addition from the type locality. A systematic fine piece.

Mineral Data
What's on the rock

Euchroite

Formula: 
Cu2(AsO4)(OH)·3H2O
Strunz: 
8.DC.07
Crystal System: 
Orthorhombic
Hardness: 
3.5 - 4.0
Type Locality: 
Svätodušná (Svätoduška) deposit, Ľubietová (Libetbánya; Libethen), Banská Bystrica Co., Banská Bystrica Region, Slovakia