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Agardite-(La) & Gibbsite

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ESM653117

Agardite-(La) & Gibbsite

Description Tabs

Description
Locality: 
Kamariza Mines, Lavrion, Attiki Prefecture, Greece
Class: 
Combination
Size Range: 
Thumbnail (1-3cm)
Size: 
1.8 × 2.7 × 2 cm
Description

Sprays of blue-green agardite needles on whitish spherical gibbsite crystals

Mineral Data
What's on the rock

Agardite-(La)

Formula: 
LaCu6(AsO4)3(OH)6·3H2O
Strunz: 
8.DL.15
Crystal System: 
Hexagonal
Hardness: 
3.0 - 4.0
Type Locality: 
Dorothea Mine, Freudenstadt, Black Forest, Baden-Württemberg, Germany

Gibbsite

Formula: 
Al(OH)3
Strunz: 
4.FE.10
Hardness: 
2.5 - 3.0
Streak: 
White
Type Locality: 
Richmond, Berkshire Co., Massachusetts, USA
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