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Strontiodresserite & Montroyalite

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CFL725358

Strontiodresserite & Montroyalite

Type Locality

Description Tabs

Description
Locality: 
Francon Quarry, Québec, Canada
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 3 × 2.5 cm
Weight: 
40.00gr
Description

Rare specimen of microcrystals of strontiodresserite and montroyalite, two type locality species.  Collected by Michel Brunet in 1980 or 1981.

Mineral Data
What's on the rock

Strontiodresserite

Formula: 
(Sr,Ca)Al2(CO3)2(OH)4·H2O
Strunz: 
5.DB.10
Crystal System: 
Orthorhombic
Hardness: 
2.0 - 3.0
Colour: 
White
Type Locality: 
Francon quarry, Montréal, Québec, Canada

Montroyalite

Formula: 
Sr4Al8(CO3)3(OH,F)26·10-11H2O
Strunz: 
5.DB.10
Hardness: 
3.5
Type Locality: 
Francon quarry, Montréal, Québec, Canada

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