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Niocalite

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ESM585407

Niocalite

Type Locality

Description Tabs

Description
Locality: 
Oka Complex, Oka, Laurentides, Québec, Canada
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
0.7 × 3.5 × 2.3 cm
Description

Brownish niocalite crystals in matrix

Mineral Data
What's on the rock

Niocalite

Formula: 
(Ca,Nb)4(Si2O7)(O,OH,F)2
Strunz: 
9.BE.17
Hardness: 
6.0
Type Locality: 
Bond zone (Quebec Columbium Ltd. and Columbium Mining Products properties), Oka complex, Oka, Deux-Montagnes RCM, Laurentides, Québec, Canada