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Helvine

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Helvine

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Description
Locality: 
Cavnic Mine, Maramureș County, Romania
Class: 
Single Crystal
Size Range: 
Thumbnail (1-3cm)
Size: 
1.4 × 1.1 × 0.7 cm
Description

Yellow helvine crystal on rhodochrosite matrix.

Rare from Cavnic!

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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