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Lanthanite & Petersenite-(Ce) & Garronite

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SYM164915

Lanthanite & Petersenite-(Ce) & Garronite

Rare Mineral

Description Tabs

Description
Locality: 
Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.5 × 1.5 cm
Description

Beige lanthanite cluster with light green petersonite crystals, and white garronite.

Mineral Data
What's on the rock

Lanthanite

Synonym Of: 

Lanthanite-(Ce)

Formula: 
(Ce,La,Nd)2(CO3)3·8H2O
Strunz: 
5.CC.25
Hardness: 
2.5

Lanthanite-(La)

Formula: 
(La,Ce)2(CO3)3·8H2O
Strunz: 
5.CC.25
Hardness: 
2.5 - 3.0

Lanthanite-(Nd)

Formula: 
(Nd,La)2(CO3)3·8H2O
Strunz: 
5.CC.25
Hardness: 
2.5 - 3.0

Petersenite-(Ce)

Formula: 
Na4(Ce,La,Nd)2(CO3)5
Strunz: 
5.AD.15
Crystal System: 
Monoclinic
Hardness: 
3.0
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