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Krupkaite

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MNR558796

Krupkaite

Type Locality

Description Tabs

Description
Locality: 
Krupka, Krušné Hory, Ústí nad Labem Region, Czech Republic
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 4 × 4 cm
Description

Krupkaite is a bismuth bearing sulfosalt from it's Type Locality. It forms grey metallic, shiny crystals and cleavage fragments in matrix.

Mineral Data
What's on the rock

Krupkaite

Formula: 
PbCuBi3S6
Strunz: 
2.HB.05a
Crystal System: 
Orthorhombic
Hardness: 
3.5 - 4.0
Streak: 
black
Type Locality: 
Barbora adit, Knöttel area (Knötel; Knödel; Knödlberg), Krupka (Graupen), Krušné Hory Mts (Erzgebirge), Ústí Region, Bohemia (Böhmen; Boehmen), Czech Republic