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Rinkite & Villiaumite

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SYM593748

Rinkite & 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 × 2 × 2 cm
Description

Yellow rinkite sprays in villiaumite. 

Mineral Data
What's on the rock

Rinkite

Formula: 
(Na,Ca)3(Ca,Ce)4Ti(Si2O7)2OF3
Strunz: 
9.00.20
Crystal System: 
Monoclinic
Hardness: 
5.0
Type Locality: 
Kangerluarsuk Fjord (Kangerdluarssuq Fjord), Ilímaussaq complex, Narsaq, Kujalleq, Greenland

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