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Helvine

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BCK719098

Helvine

Rare Mineral

Description Tabs

Description
Locality: 
Barbara Gold Mine, Coolgardie, Western Australia, Australia
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.6 × 4 × 2.1 cm
Description

You are bidding on a small miniature sample with rich vugs in albite hosting numerous small, sharp crystals of helvine from this obscure locality. Label says danalite, but a study was done some time ago and no danalite was found. Cureton Minerals label. 

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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