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Villiaumite Thermonatrite Griceite Eudialyte Lovozerite & Steenstrupine-(Ce)

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CFL877303

Villiaumite Thermonatrite Griceite Eudialyte Lovozerite & Steenstrupine-(Ce)

Fluorescent

Description Tabs

Description
Locality: 
Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2.5 × 2 cm
Description

Translucent to gemmy villiaumite associated with thermonatrite, griceite, eudyalite, lovozerite and steenstrupine-(Ce).  The fluorescent white crystals are of an unidentified species.  Collected by Gilles Haineault in 1989.

Mineral Data
What's on the rock

Villiaumite

Formula: 
NaF
Strunz: 
3.AA.20
Crystal System: 
Isometric
Hardness: 
2.0 - 2.5
Streak: 
White
Type Locality: 
Rouma Island (Roume Island; Roma Island; Ruma Island), Los Archipelago (Los Islands), Guinea

Thermonatrite

Formula: 
Na2CO3·H2O
Strunz: 
5.CB.05
Crystal System: 
Orthorhombic
Hardness: 
1.0 - 1.5

Griceite

Formula: 
LiF
Strunz: 
3.AA.20
Hardness: 
4.5
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

Eudialyte

Formula: 
Na15Ca6(Fe2+,Mn2+)3Zr3[Si25O73](O,OH,H2O)3(OH,Cl)2
Strunz: 
9.CO.10
Hardness: 
5.0 - 6.0
Type Locality: 
Kangerluarsuk Fjord (Kangerdluarssuq Fjord), Ilímaussaq complex, Narsaq, Kujalleq, Greenland

Lovozerite

Formula: 
Na2Ca(Zr,Ti)(Si6O12)[(OH)4O2]·H2O
Strunz: 
9.CJ.15a
Crystal System: 
Monoclinic
Hardness: 
5.0
Type Locality: 
Upper El'maraiok River (Elemaraik), Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...

Steenstrupine-(Ce)

Formula: 
Na14Mn2+2(Fe3+,Mn3+)2Ce6(Zr,Th)(Si6O18)2(PO4)6(HPO4)(OH)2·2H2O
Strunz: 
9.CK.20
Hardness: 
4.0
Type Locality: 
Kangerluarsuk Fjord (Kangerdluarssuq Fjord), Ilímaussaq complex, Narsaq, Kujalleq, Greenland

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