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Ewaldite

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SYM759449

Ewaldite

Rare Mineral

Description Tabs

Description
Locality: 
Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 1.5 × 1 cm
Description

Ewaldite/Donnayite crystal on matrix. 

Mineral Data
What's on the rock

Ewaldite

Formula: 
Ba(Na,Ca,Y,Ce,K)(CO3)2·2.6H2O
Strunz: 
5.CC.05
Crystal System: 
Hexagonal
Hardness: 
0.0
Type Locality: 
Diamond Alkali Daco No. 3, Green River Formation, Sweetwater Co., Wyoming, USA