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Marcasite With Dolomite

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FRN101186

Marcasite With Dolomite

Description Tabs

Description
Locality: 
Daye County, Huangshi, Hubei Province, China (Peoples Republic)
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.9 × 4.6 × 2.7 cm
Description

Aggregate of sharp, metallic luster marcasite crystals blanket covered thin layer of calcite matrix, snow white dolomite crystal scattered on the specimen.

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
Oriental Minerals