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Dolomite Var Breunnerite

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Watches:
CR181196

Dolomite Var Breunnerite

With Antique Label

Description Tabs

Description
Locality: 
Croda Rossa, Vizze Pass, San Giacomo, South Tirol, Trentino-Alto Adige, Italy
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 6 × 4 cm
Largest Crystal: 
2.50cm
Description

Large intergrown dolomite crystals (var breunnerite) from a classic locality in Pfitsch Valley, South Tyrol, Italy.

Nice old specimen with beautiful old Maucher label.

Ex Alex Franz collection.

Mineral Data
What's on the rock

Dolomite

Formula: 
CaMg(CO3)2
Strunz: 
5.AB.10
Crystal System: 
Trigonal - Rhombohedral
Hardness: 
3.5 - 4.0
Streak: 
White

Breunnerite

Variety Of: 

Ferroan Magnesite

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