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Helvine

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JYJ834500

Helvine

Description Tabs

Description
Locality: 
Navegadora Claim, Penha do Norte, Conselheiro Pena, Minas Gerais, Brazil
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 1.9 × 1.9 cm
Description

Pale yellow helvine from the Navegadora Claim, Minas Gerais, Brazil. 

 

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