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Marmatite & Quartz

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PFK793441

Marmatite & Quartz

Description Tabs

Description
Locality: 
Chenzhou Prefecture, Hunan Province, China (Peoples Republic)
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.6 × 5.8 × 3.2 cm
Description

Here is representative reference specimen of sphalerite var. marmatite with quartz from Chenzhou.

Mineral Data
What's on the rock

Marmatite

Variety Of: 

Sphalerite

Formula: 
ZnS
Strunz: 
2.CB.05a
Hardness: 
3.5 - 4.0
Formula: 
(Zn,Fe)S
Hardness: 
0.0
Colour: 
Black

Quartz

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

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