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Calcite & Boulangerite

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ATH1078954

Description Tabs

Description
Locality: 
Herja Mine, Chiuzbaia, Baia Mare, MaramureÈ™ County, Romania
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 2 × 1.1 cm
Description

One of the popular Calcite-Boulangerite crystals from Herja.

Grown as a "floater" this piece is really special because it looks like a rocket or futuristic spaceship.

Mineral Data
What's on the rock

Calcite

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

Boulangerite

Formula: 
Pb5Sb4S11
Strunz: 
2.HC.15
Crystal System: 
Monoclinic
Hardness: 
2.5 - 3.0
Colour: 
Lead grey
Streak: 
Brownish
Type Locality: 
Molières, Gard, Languedoc-Roussillon, France

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