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Galena Psm Mimetite & Calcite

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CLB138409

Galena Psm Mimetite & Calcite

ex coll Wendel
Pseudomorph

Description Tabs

Description
Locality: 
Lavrion District Mines, Attiki Prefecture, Greece
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 5 × 4.7 cm
Description

A very interesting and rare specimen with galena, pseudomorph after mimetite (or aragonite?) and a second generation of small yellow mimetite crystals with two generations of calcite.

Mineral Data
What's on the rock

Galena

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

Mimetite

Formula: 
Pb5(AsO4)3Cl
Strunz: 
8.BN.05
Crystal System: 
Hexagonal
Hardness: 
3.5 - 4.0
Streak: 
White
Type Locality: 
Treue Freundschaft Mine, Johanngeorgenstadt, Johanngeorgenstadt District, Erzgebirge, Saxony, Germany

Calcite

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

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