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Ferro-ferri-nybøite

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JYJ528896

Ferro-ferri-nybøite

Description Tabs

Description
Locality: 
Turii Massif, Turii Cape, Murmansk Oblast, Russian Federation
Class: 
Crystals on Matrix
Size Range: 
Micromount (under 1cm)
Size: 
0.6 × 0.6 × 0.8 cm
Description

Analysed ferri-nyböite in matrix (not ferro-ferri-nyböite as mentioned in the main field). Only known from three localities.

Mineral Data
What's on the rock

Ferro-ferri-nybøite

Formula: 
NaNa2[(Fe2+3,Mg)Fe3+2](AlSi7O22)(OH)2
Strunz: 
9.DE.25
Crystal System: 
Monoclinic
Hardness: 
0.0
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
Analysis
Analysis Report - only: Ferro-ferri-nybøite