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Helvine

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BCK171334

Helvine

William Henderson collection

Description Tabs

Description
Locality: 
Chingolo Mine, Pampa de Olaen, Punilla Department, Córdoba, Argentina
Size Range: 
Thumbnail (1-3cm)
Size: 
1.8 × 1.2 × 1 cm
Description

A small matrix specimen with nice crystals of helvine (could be genthelvite, no analysis given) on pegmatite 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

Seller Information

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