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Boulangerite

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CR29507

Boulangerite

Description Tabs

Description
Locality: 
Baia Sprie Mine, Baia Sprie, Maramureș County, Romania
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 5 × 3.5 cm
Description

This is a very interesting specimen with a perfect ring formed of boulangerite.

The boulangerite ring sits on the surface of a cluster of small quartz crystals and has a diameter of 0.5 mm. Nice to see under the microscop.

 

 

Mineral Data
What's on the rock

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