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Helvine

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FRN136325

Helvine

Description Tabs

Description
Locality: 
Yunxiao County, Zhangzhou, Fujian Province, China (Peoples Republic)
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.6 × 2.2 × 1.8 cm
Largest Crystal: 
1.10cm
Description

Single one orange helvite crystals set on the top of feldspar 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
Oriental Minerals