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Sphalerite & Galena

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PDM694716

Sphalerite & Galena

Description Tabs

Description
Locality: 
Rucheng Mine, Cao Jia, Nuanshui, Rucheng County, Chenzhou, Hunan Province, China (Peoples Republic)
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.7 × 4.5 × 2.8 cm
Largest Crystal: 
1.10cm
Description

Matrix of transparent quartz crystals partially covered by complex caramel-brown twinned sphalerite with very good gemmyness associated to dull-grey cuboctahedral crystals of galena. The general condition is very good.

Acquired in 2002, it is an Ex. Dr. Bob Janssens specimen, #59.

Mineral Data
What's on the rock

Sphalerite

Formula: 
ZnS
Strunz: 
2.CB.05a
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0

Galena

Formula: 
PbS
Strunz: 
2.CD.10
Crystal System: 
Isometric
Hardness: 
2.5
Colour: 
Lead-grey
Streak: 
Lead-grey

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