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Native Selenium

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Native Selenium

Description Tabs

Description
Locality: 
Kladno Mine, Libušin, Kladno, Central Bohemian Region, Czech Republic
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.9 × 1.3 × 1.2 cm
Description

Black metallic native selenium from Kladno, Czech Republic. 

 

Mineral Data
What's on the rock

Selenium

Formula: 
Se
Strunz: 
1.CC.10
Crystal System: 
Trigonal
Hardness: 
2.0
Streak: 
red