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Norbergite & Pargasite

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SMM807127

Norbergite & Pargasite

Type Locality for pargasite

Description Tabs

Description
Locality: 
Limberg Quarry, Pargas, Southwest Finland, Finland
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.5 × 1.5 cm
Description

Good sample with many, rounded, yellow, crystals of norbergite. Few dark pargasite scattered.

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

Pargasite

Formula: 
{Na}{Ca2}{Mg4Al}(Al2Si6O22)(OH)2
Strunz: 
9.DE.15
Hardness: 
5.0 - 6.0
Type Locality: 
Pargas (Parainen), Southwestern Finland Region, Finland

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