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Sphalerite Pyrite & Calcite

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PFK726786

Sphalerite Pyrite & Calcite

Classic Locality

Description Tabs

Description
Locality: 
Madem-Lakko Mine, Cassandra Mines, Aristotelis, Chalkidiki, Central Macedonia, Greece
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.8 × 5.9 × 3 cm
Description

Sulphides of this quality are actually rare from this locality. This is a quite large and rich piece that hosts black, twinned crystals of sphalerite with some contrasting pyrite and minor calcite. The piece is rich on both sides. An old classic specimen from this closed, classic Greek locality.

Mineral Data
What's on the rock

Sphalerite

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

Pyrite

Formula: 
FeS2
Strunz: 
2.EB.05a
Crystal System: 
Isometric
Hardness: 
6.0 - 6.5

Calcite

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

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