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Manganoneptunite

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CFL638093

Manganoneptunite

Description Tabs

Description
Locality: 
Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 3.7 × 3.2 cm
Weight: 
50.00gr
Description

Superb miniature specimen of groups of dark red manganoneptunite crystals associated with serandite, analcime, natrolite and aegirine.  From 1973 pocket.  Ex-Ecole Polytechnique (Montreal University) specimen.

Mineral Data
What's on the rock

Manganoneptunite

Formula: 
Na2KLi(Mn2+,Fe2+)2Ti2[Si8O24]
Strunz: 
9.EH.05
Crystal System: 
Monoclinic
Hardness: 
5.0 - 6.0
Colour: 
Red
Type Locality: 
Maly Mannepakhk Mt (Malyi Mannepakhk Mt), Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...

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