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Weloganite Dresserite & Dolomite

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SCH63188

Weloganite Dresserite & Dolomite

Description Tabs

Description
Locality: 
Francon Quarry, Québec, Canada
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.4 × 2 × 1.8 cm
Description

A group of grayish weloganite crystals with growth striations and associated with colorless dolomite and minor dresserite.

Mineral Data
What's on the rock

Weloganite

Formula: 
Na2Sr3Zr(CO3)6·3H2O
Strunz: 
5.CC.05
Hardness: 
3.5
Streak: 
white
Type Locality: 
Francon quarry, Montréal, Québec, Canada

Dresserite

Formula: 
BaAl2(CO3)2(OH)4·H2O
Strunz: 
5.DB.10
Crystal System: 
Orthorhombic
Hardness: 
2.5 - 3.0
Colour: 
White
Streak: 
White
Type Locality: 
Francon quarry, Montréal, Québec, Canada

Dolomite

Formula: 
CaMg(CO3)2
Strunz: 
5.AB.10
Crystal System: 
Trigonal - Rhombohedral
Hardness: 
3.5 - 4.0
Streak: 
White
schani

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