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Krupkaite

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CAM566617

Krupkaite

Type Locality

Description Tabs

Description
Locality: 
Barbora Adit, Knöttel, Krupka, Krušné Hory, Ústí nad Labem Region, Czech Republic
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 5 × 3.8 cm
Description

An excellent example of the uncommon sulphosalt krupkaite from the Type Locality with a rich coverage of lustrous steel-grey crude crystals and crystalline masses on quartz matrix, associated with some cassiterite and gilbertite . An unusual rich and well-crystallized piece.

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
Cartils Minerals

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