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Alumino Adamite & Gibbsite

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SHS76622

Alumino Adamite & Gibbsite

Description Tabs

Description
Locality: 
Lavrion District Mines, Attiki Prefecture, Greece
Size Range: 
Thumbnail (1-3cm)
Size: 
2.7 × 2.2 × 1.8 cm
Description

Al adamite and gibbsite in matrix

Mineral Data
What's on the rock

Alumino Adamite

Variety Of: 

Adamite

Formula: 
Zn2(AsO4)(OH)
Strunz: 
8.BB.30
Hardness: 
3.5
Formula: 
(Zn,Al)2AsO4(OH)
Hardness: 
0.0

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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