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Gibbsite

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CYF622706

Gibbsite

Description Tabs

Description
Locality: 
Adelaide Mine, Dundas, West Coast Municipality, Tasmania, Australia
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 3.5 × 2.2 cm
Description

Botryoidal gibbsite with crocoite from the Adelaide Mine, Tasmania, Australia.

Grey gibbsite contrasts nicely with the orange crocoite, which has both solid and freyed terminations.

#CROC4280

 

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