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Boulangerite

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PDM850733

Boulangerite

Description Tabs

Description
Locality: 
Nikolayevskiy Mine, Dalnegorsk, Primorskiy Kray, Russian Federation
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.5 × 7.6 × 5.8 cm
Weight: 
325.00gr
Description

Metallic grey hairy boulangerite crystals on tabular calcite rhombohedra. The group is well exposed on a spiky white quartz crystals with the matrix rich in calcite (that fluoresces red under SW UV light) with some masses of magnetic tabular pyrrhotite crystals and brown siderite. The general condition is very good.

Acquired in 1995. Ex Gerard Vogel collection.

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

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