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Gibbsite

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AST97055

Gibbsite

Description Tabs

Description
Locality: 
Hilarion Mine, Hilarion, Kamariza, Agios Konstantinos, Lavrion District, Attiki Prefecture, Greece
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 3 × 4 cm
Description

Very fine turquoise blue gibbsite spheres on matrix.
Very unusual as gibbsite is in most cases found in micro botryoidal masses forming thin films on matrix rock.

Mineral Data
What's on the rock

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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