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Norbergite & Graphite

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RMM45511

Norbergite & Graphite

Fluorescent

Description Tabs

Description
Locality: 
Crystal Lake, Galway Township, Peterborough County, Ontario, Canada
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 3 × 2 cm
Description

Blebs of orange norbergite in white calcite with black graphite. The norbergite fluoresces a dull orange in short-wave UV.

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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