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Helvine & Molybdenite

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SYA588510

Helvine & Molybdenite

Description Tabs

Description
Locality: 
Hørtekollen Mine, Sylling, Lier, Viken, Norway
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.5 × 5 × 3 cm
Largest Crystal: 
1.00cm
Description

Brown-orange helvine tetrahedrons up to 1 cm with silver metallic bladed molybdenite crystals in matrix.

Typical, older specimen from the locality.

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

Molybdenite

Formula: 
MoS2
Strunz: 
2.EA.30
Crystal System: 
Hexagonal
Hardness: 
1.0 - 1.5

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