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Rhodochrosite & Bertrandite & Pyrite

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ESM673219

Rhodochrosite & Bertrandite & Pyrite

Description Tabs

Description
Locality: 
Kounrad Massif, Balkhash, Karaganda Oblast, Kazakhstan
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.5 × 4.5 × 3.5 cm
Description

Clusters of pale pink rhodochrosite rhombs  with beige coloured bertrandite crystals and pyrite perched on a quartz crystal

Mineral Data
What's on the rock

Rhodochrosite

Formula: 
MnCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.0
Streak: 
White
Type Locality: 
Cavnic Mine (Kapnikbánya), Cavnic (Kapnic; Kapnik), Maramureș Co., Romania

Bertrandite

Formula: 
Be4(Si2O7)(OH)2
Strunz: 
9.BD.05
Crystal System: 
Orthorhombic
Hardness: 
6.0 - 7.0
Type Locality: 
Petit-Port, Nantes, Loire-Atlantique, Pays de Loire, France

Pyrite

Formula: 
FeS2
Strunz: 
2.EB.05a
Crystal System: 
Isometric
Hardness: 
6.0 - 6.5