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Ferrokentbrooksite

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Ferrokentbrooksite

Classic Locality

Description Tabs

Description
Locality: 
Lovchorrite Mine, Hackman Valley, Mount Yukspor, Khibiny Massif, Murmansk Oblast, Russian Federation
Class: 
Single Crystal
Size Range: 
Micromount (under 1cm)
Size: 
0.3 × 0.3 × 0.1 cm
Description

very nice single orange-brown crystal of ferrokentbrooksite from this classic locality

Mineral Data
What's on the rock

Ferrokentbrooksite

Formula: 
Na15Ca6(Fe,Mn)3Zr3NbSi25O73(O,OH,H2O)3Cl2
Strunz: 
9.CO.10
Crystal System: 
Trigonal
Hardness: 
5.0 - 6.0
Streak: 
white
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

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