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Bauxite

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PDM917613

Bauxite

Classic Locality

Description Tabs

Description
Locality: 
Villeveyrac, Hérault, Occitanie, France
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.2 × 4 × 3.5 cm
Description

Rounded pisolitic concretions of “bauxite” in matrix from the bauxite mines near Villeveyrac. Bauxite is a rock, usually composed of a mixture of boehmite, diaspore and/or gibbsite.

Acquired in 1982, it is from the collection of Ph D Geologist Bob Janssens, #423.

Combine specimens to reduce shipping costs!.

Mineral Data
What's on the rock

Bauxite

Mixture Of: 

Böhmite

Formula: 
AlO(OH)
Strunz: 
4.FE.15
Hardness: 
3.5

Diaspore

Formula: 
AlO(OH)
Strunz: 
4.FD.10
Hardness: 
6.5 - 7.0

Gibbsite

Formula: 
Al(OH)3
Strunz: 
4.FE.10
Hardness: 
2.5 - 3.0

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