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Jamesonite Calcite Sphalerite & Quartz

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RBR30571

Jamesonite Calcite Sphalerite & Quartz

Classic Locality

Description Tabs

Description
Locality: 
Herja Mine, Chiuzbaia, Baia Mare, Maramureș County, Romania
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 5 × 3 cm
Largest Crystal: 
2.50cm
Description

A nice specimen of calcite (dark colored by included jamesonite) on jamesonite and galena.

The calcite is curved and some crystals are covered by a second generation of smaller calcite.

Mineral Data
What's on the rock

Jamesonite

Formula: 
Pb4FeSb6S14
Strunz: 
2.HB.15
Crystal System: 
Monoclinic
Hardness: 
2.5
Type Locality: 
Cornwall, England, UK

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

Sphalerite

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

Quartz

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