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Cassiterite With Chalcopyrite & Quartz

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FRN94410

Cassiterite With Chalcopyrite & Quartz

Description Tabs

Description
Locality: 
Dayu County, Ganzhou, Jiangxi Province, China (Peoples Republic)
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 4.5 × 2.7 cm
Description

This sharply, lustrous cassiterite upon a white crystallized quartz matrix with some chalcopyrite crystal scattered on one side of the specimen. One quartz crystal sit at the middle of cassiterite and coated with many tiny cassiterite.

Mineral Data
What's on the rock

Cassiterite

Formula: 
SnO2
Strunz: 
4.DB.05
Crystal System: 
Tetragonal
Hardness: 
6.0 - 7.0

Chalcopyrite

Formula: 
CuFeS2
Strunz: 
2.CB.10a
Crystal System: 
Tetragonal
Hardness: 
3.5 - 4.0

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White
Oriental Minerals