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Dawsonite

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MEX208418

Dawsonite

Classic Locality

Description Tabs

Description
Locality: 
Santa Fiora, Mount Amiata, Grosseto Province, Tuscany, Italy
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 3.3 × 1.9 cm
Description

White, radiating groups of dawsonite needles.

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