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Gaidonnayite Albite & Siderite

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CFL1060156

Gaidonnayite Albite & Siderite

Type Locality

Description Tabs

Description
Locality: 
Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
10 × 8.5 × 7.5 cm
Description

2007-Extremely rich specimen with hundreds of highly fluorescent translucent to gemmy gaidonnayite microcrystals associated with albite, siderite, brookite, elpidite, natrolite, and possibly type locality petersenite-(Ce).  This is the richest specimen of gaidonnayite we ever had for sale.  Collected by Gilles Haineault in 2007. 

I will be absent August 1 to 18.  Invoicing and shipping will be done thereafter.

Mineral Data
What's on the rock

Gaidonnayite

Formula: 
Na2Zr(Si3O9)·2H2O
Strunz: 
9.DM.15
Crystal System: 
Orthorhombic
Hardness: 
5.0 - 0.0
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

Albite

Formula: 
NaAlSi3O8
Strunz: 
9.FA.35
Crystal System: 
Triclinic
Hardness: 
6.0 - 6.5
Streak: 
White
Type Locality: 
Finnbo (Finbo), Falun, Dalarna, Sweden

Siderite

Formula: 
FeCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.5
Streak: 
White

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