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Weloganite & Smythite

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CFL820221

Weloganite & Smythite

Type Locality

Description Tabs

Description
Locality: 
Francon Quarry, Québec, Canada
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 1.5 × 1.5 cm
Description

Very nice type locality specimen of fluorescent (green) yellow gemmy weloganite crystals associated with smythite and fluorescent calcite.  The smythite microcrystals have grown on surface of the large group of weloganite crystals and some are scattered over the rest of the specimen.  This is the first time we have a label indicating the presence of smythite oln a specimen from this famous Canadian locality.  Collected by Michel Brunet in 1980-1981.  Ex-Paul Lortie specimen (label).

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

Smythite

Formula: 
(Fe,Ni)3+xS4 (x=0-0.3)
Strunz: 
2.CC.10
Hardness: 
4.5
Streak: 
dark gray
Type Locality: 
State Route 37 road cut (6), Bloomington, Monroe Co., Indiana, USA

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