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Helvine In Sphalerite

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SHS73175

Helvine In Sphalerite

Description Tabs

Description
Locality: 
Gelbe Birke Mine, Beierfeld, Grünhain-Beierfeld, Erzgebirge, Saxony, Germany
Size Range: 
Thumbnail (1-3cm)
Size: 
2.6 × 2.4 × 1.3 cm
Description

Helvite in matrix

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

Sphalerite

Formula: 
ZnS
Strunz: 
2.CB.05a
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0