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Marcasite & Dolomite

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CLB97511

Marcasite & Dolomite

Classic Locality

Description Tabs

Description
Locality: 
San Vicente Mine, Guanajuato, Guanajuato Municipality, Guanajuato, Mexico
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 7 × 4 cm
Largest Crystal: 
1.60cm
Description

Exceptional golden-brassy 'cocksomb' marcasite crystals on dolomite. All with very good luster. Much better in nature.

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

Seller Information

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