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Dawsonite & Orpiment

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SHS97231

Dawsonite & Orpiment

Description Tabs

Description
Locality: 
Valīlū Mines, Ahar, Jolfa County, East Azerbaijan Province, Iran
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.2 × 2.7 × 2.3 cm
Description

White dawsonite on orpiment

Mineral Data
What's on the rock

Dawsonite

Formula: 
NaAlCO3(OH)2
Strunz: 
5.BB.10
Crystal System: 
Orthorhombic
Hardness: 
3.0
Streak: 
White
Type Locality: 
McGill University campus, Montréal, Québec, Canada

Orpiment

Formula: 
As2S3
Strunz: 
2.FA.30
Crystal System: 
Monoclinic
Hardness: 
1.5 - 2.0