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Sphalerite Var Marmatite

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TPX520198

Sphalerite Var Marmatite

Classic Locality

Description Tabs

Description
Locality: 
Jose Maestre Tunnel, Portman, Sierra de Cartagena, Murcia, Spain
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.1 × 4.7 × 3.2 cm
Weight: 
72.00gr
Description

Very nice group of sphalerite crystals variety marmatite on quartz matrix.

In Cartagena mines is commun this opaque black iron-rich variety of sphalerite, but the most time is spatic and the crystals are very rares.

Mineral Data
What's on the rock

Sphalerite

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

Marmatite

Variety Of: 

Sphalerite

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

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