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Dawsonite With Siderite

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PCZ172805

Dawsonite With Siderite

Description Tabs

Description
Locality: 
Kladno District, Central Bohemian Region, Czech Republic
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 4 × 3.5 cm
Description

Radiating snow white crystals of dawsonite on quartz in association with beautiful golden crystals of siderite .
A nice rare specimen from uncommon locality.

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

Siderite

Formula: 
FeCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.5
Streak: 
White
Peter Crozier Minerals