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Oneillite & Villiaumite

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SYM812626

Oneillite & Villiaumite

Rare Mineral

Description Tabs

Description
Locality: 
Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.8 × 1.5 × 1.3 cm
Description

Scattered yellow oneillite with villiaumite on matrix. 

Mineral Data
What's on the rock

Oneillite

Formula: 
Na15Ca3Mn3Fe2+3Zr3Nb(Si25O73)(O,OH,H2O)3(OH,Cl)2
Strunz: 
9.CO.10
Crystal System: 
Trigonal
Hardness: 
5.0 - 6.0
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

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

Seller Information

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