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Helvine

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SHS35641

Helvine

ex. Collection Dr. Winfried Böhmer (Wunstorf/Germany)

Description Tabs

Description
Locality: 
Schwarzemberg, Saxony, Germany
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.5 × 2.3 × 2.1 cm
Description

Helvine with sphalerite and galena

Mineral Data
What's on the rock

Helvine

Formula: 
Mn2+4(Be3Si3O12)S
Strunz: 
9.FB.10
Crystal System: 
Isometric
Hardness: 
6.0 - 6.5
Streak: 
White
Type Locality: 
Friedefürst Mine, Breitenbrunn, Breitenbrunn District, Erzgebirge, Saxony, Germany
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