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Vaterite & Shortite

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SYM865448

Vaterite & Shortite

Rare Mineral

Description Tabs

Description
Locality: 
Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.7 × 1.2 × 1 cm
Description

Very nice cluster of vaterite crystals on green shortite.

Mineral Data
What's on the rock

Vaterite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.20
Hardness: 
3.0
Colour: 
Colorless
Streak: 
White
Type Locality: 
Ballycraigy, Larne, County Antrim, Northern Ireland, UK

Shortite

Formula: 
Na2Ca2(CO3)3
Strunz: 
5.AC.25
Hardness: 
3.0
Type Locality: 
John Hay Jr. Well No. 1, Green River Formation, Sweetwater Co., Wyoming, USA