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Calcite Dolomite & Quartz

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MBM862706

Calcite Dolomite & Quartz

From an old collection of a Clara mine miner from 1930-1970
Classic Locality

Description Tabs

Description
Locality: 
Brandenberg Mine, Todtnau, Freiburg Region, Baden-Württemberg, Germany
Class: 
Crystal Group/Cluster
Size Range: 
Cabinet (10-18 cm)
Size: 
13 × 11 × 4 cm
Largest Crystal: 
0.70cm
Description

Huge combo of zoned Calcites formed also as "Kanonenspäte" up to 4mm associated with Dolomites up to 7mm from a rather unknown locality in the black forrest

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Mineral Data
What's on the rock

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

Dolomite

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

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White
Labels
Label Images - only: Calcite Dolomite & Quartz

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Seller's terms and conditions

Seller Shipment Germany 6,00 EUR  Europe 9,00 EUR Worldwide shipment 12,00 EUR