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1 item @ $40.00  

Astrophyllite

#57854

Astrophyllite

#57854
Availability
Available
Price
$55.00
Size
5 x 4.5 x 1.5 cm - Miniature 
Reduced Price
$35.00
Formula
K2NaFe2+7Ti2(Si4O12)2O2(OH)4F (RRUFF)
Locality
Eveslogchorr Mt, Khibiny Massif, Kola Peninsula, Russia

Deep amber-red elongated and platy crystals to 1.5cm.

Astrophyllite

Formula
K2NaFe2+7Ti2(Si4O12)2O2(OH)4
Crystal System
Triclinic 
Crystal Habit
Bladed, Stellate, Crystalline - Fine 
Cleavage
Perfect, None, None 
Luster
Adamantine - Pearly 
Color
brown, brownish red, bronze yellow, gold yellow 
Streak
yellowish brown 
Class
Triclinic - Pedial 
Fracture
Brittle 
Hardness
3-3.5 

Data courtesy of Webmineral.

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