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Bauxite

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ZSO732709

Bauxite

Radioactive

Description Tabs

Description
Locality: 
Halimba Bauxite Mine, Ajka, Veszprém County, Hungary
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2.8 × 2.5 cm
Description

This is a very old sample from the beginning of the second half of the last century. It was discovered during uranium ore exploration in Hungary. Few pieces remain and this is one of the richest.
Even the miners couldn't find out about the discovery of the uranium anomaly. It was top secret.

I re-analyzed the samples with EDS. I've attached a result.

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
Analysis
Analysis Report - only: Bauxite

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