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Helvine

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SCH79855

Helvine

Description Tabs

Description
Locality: 
Tongbei, Yunxiao County, Zhangzhou Prefecture, Fujian Province, China (Peoples Republic)
Size Range: 
Thumbnail (1-3cm)
Size: 
2.3 × 1.1 × 1.4 cm
Description

A super-colorful, translucent, lustrous helvine crystal of exceptional quality for the species set in matrix of feldspar.

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
schani

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