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Bauxite

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LGM194321

Bauxite

Ex Dr. Krantz, Bonn, Germany, ex H. Jaklin
With Antique Label

Description Tabs

Description
Locality: 
Nazarje, Mozirje, Savinja Region, Slovenia
Class: 
Massive/Crystalline
Size Range: 
Small cabinet (7-10 cm)
Size: 
5 × 7 × 4 cm
Weight: 
137.00gr
Description

Bauxite is not exactly one of the prettiest minerals at all, allthough it is the major ore of aluminum. It's an amorphous mixture of oxydes and hydroxides, stained by iron oxydes.
Comes with antique label and corresponding number sticker.
Hans Jaklin was an austrian collector and mineralogist, born in 1874. His mineral collection consisted almost exclusively of specimens from Austro-Hungarian localities (this locality is situated in today's Slovenia).
The Krantz mineral dealership obtained his mineral collection, which appears to have been quite numerous.

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

Seller Information

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