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Norbergite & Graphite

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SMM711522

Norbergite & Graphite

Description Tabs

Description
Locality: 
Limberg Quarry, Pargas, Southwest Finland, Finland
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 2.5 × 2 cm
Description

Pale yellow, crystals of norbergite together with metallic tabular crystals of graphite.

Boxed with Label
Mineral Data
What's on the rock

Norbergite

Formula: 
Mg3(SiO4)(F,OH)2
Strunz: 
9.AF.40
Crystal System: 
Orthorhombic
Hardness: 
6.0 - 6.5
Type Locality: 
Östanmossa mine, Röberg ore field, Norberg, Västmanland, Sweden

Graphite

Formula: 
C
Strunz: 
1.CB.05a
Crystal System: 
Hexagonal
Hardness: 
1.0 - 2.0

Seller Information

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