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Normandite

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ESM667469

Normandite

Description Tabs

Description
Locality: 
Partomchorr Mountain, Khibiny Massif, Murmansk Oblast, Russian Federation
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
1.8 × 3.7 × 3 cm
Description

Clusters of red-brown acicular normandite crystals on matrix

Mineral Data
What's on the rock

Normandite

Formula: 
NaCa(Mn,Fe)(Ti,Nb,Zr)(Si2O7)OF
Strunz: 
9.BE.17
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