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Pääkkönenite Stibnite & Calcite

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AST190748

Pääkkönenite Stibnite & Calcite

Rare Mineral

Description Tabs

Description
Locality: 
Plaka Mines, Plaka, Lavrion District, Attiki Prefecture, Greece
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 4 × 1.7 cm
Description

Calcite crystals on matrix surface with gray stibnite and epitaxial growth paakonenite. From a quite recent find of limited specimens at Lavrion and analysed. Minerals are distinguished under stereoscope.

Mineral Data
What's on the rock

Pääkkönenite

Formula: 
Sb2AsS2
Strunz: 
2.DB.05
Crystal System: 
Monoclinic
Hardness: 
2.5
Colour: 
Grey
Type Locality: 
Kalliosalo, Seinäjoki, Western and Inner Finland Region, Finland

Stibnite

Formula: 
Sb2S3
Strunz: 
2.DB.05
Hardness: 
2.0
Streak: 
Lead grey

Calcite

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

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