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Calcioburbankite & Garronite-Ca

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SYM742936

Calcioburbankite & Garronite-Ca

Rare Mineral

Description Tabs

Description
Locality: 
Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 2 × 1 cm
Description

Tan crystal of calcioburbankite with a crystal of white garronite on matrix. 

Mineral Data
What's on the rock

Calcioburbankite

Formula: 
Na3(Ca,REE,Sr)3(CO3)5
Strunz: 
5.AC.30
Crystal System: 
Hexagonal
Hardness: 
3.0 - 4.0
Streak: 
White
Type Locality: 
Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada

Garronite-Ca

Formula: 
Na2Ca5Al12Si20O64·27H2O
Group Parent: 
Zeolite Group
Strunz: 
9.GC.05
Crystal System: 
Tetragonal
Hardness: 
4.0 - 5.0
Colour: 
White
Type Locality: 
Glenariff Valley, Garron Plateau, Co. Antrim, Northern Ireland, UK