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Weloganite Dresserite & Dawsonite

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CFL1092591

Description Tabs

Description
Locality: 
Francon Quarry, Québec, Canada
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 4.2 × 3.2 cm
Description

Rare type locality specimen of fluorescent weloganite crystals, with two crystal habits, associated with fluorescent calcite and type locality dresserite, and with blcoky gemmy dawsonite, quartz, and marcasite.

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

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

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$16
USA
$14
Europe
$15
Rest of World
$17

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