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Ferroan Magnesite Var Breunnerite

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Watches:
CR107599

Ferroan Magnesite Var Breunnerite

With Antique Label

Description Tabs

Description
Locality: 
Großer Greiner, Finkenberg, Schwaz District, Tyrol, Austria
Size Range: 
Cabinet (10-18 cm)
Size: 
10 × 8 × 6 cm
Largest Crystal: 
5.00cm
Description

This is a very old and classic Austrian specimen of Breunnerite crystals in matrix.

With beautiful old label - collected 1921

Mineral Data
What's on the rock

Ferroan Magnesite

Variety Of: 

Magnesite

Formula: 
MgCO3
Strunz: 
5.AB.05
Hardness: 
3.5 - 4.5
Formula: 
(Mg,Fe)CO3
Hardness: 
0.0

Breunnerite

Variety Of: 

Ferroan Magnesite

Formula: 
(Mg,Fe)CO3
Hardness: 
0.0
Formula: 
(Mg,Fe)CO3
Hardness: 
0.0