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Marcasite & Dolomite

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SCH35506

Marcasite & Dolomite

Description Tabs

Description
Locality: 
Reocín Mine, Reocín, Cantabria, Spain
Size Range: 
Thumbnail (1-3cm)
Size: 
2.6 × 2 × 2.1 cm
Description

Sharp, bright, brass-yellow marcasite spear-like crystals on dolomite.

Very showy thumbnail!

Mineral Data
What's on the rock

Marcasite

Formula: 
FeS2
Strunz: 
2.EB.10a
Crystal System: 
Orthorhombic
Hardness: 
6.0 - 6.5

Dolomite

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

Seller Information

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