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Delhayelite with Astrophyllite

#62303
SOLD
Delhayelite from Mt. Rasvumchorr, Khibiny Massif, Kola Peninsula, Russia - 62303
Delhayelite from Mt. Rasvumchorr, Khibiny Massif, Kola Peninsula, Russia - 62303

Delhayelite with Astrophyllite

#62303
Availability
Sold
Size
6 x 4 x 4 cm - Sm Cabinet 
Formula
K7Na3Ca5Al2Si14O38F4Cl2 (RRUFF)
Locality
Mt. Rasvumchorr, Khibiny Massif, Kola Peninsula, Russia

Grey micaceous crystals to 1.8cm with golden Astrophyllite and green Aegerine.

Delhayelite

Formula
K7Na3Ca5Al2Si14O38F4Cl2 
Crystal System
Orthorhombic 
Crystal Habit
Platy 
Cleavage
Distinct, None, None 
Color
colorless, greenish gray, light gray green 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Hardness
4-5 

Data courtesy of Webmineral.

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