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Sapphirine

#59772

Sapphirine

#59772
Availability
Sold
Size
1.7 x 1 x 1.2 cm - Thumbnail 
Formula
Mg4(Mg3Al9)O4[Si3Al9O36] (RRUFF)
Locality
Morafeno, Toliara prov., Madagascar

Crystalline blue Sapphirine.

Sapphirine

Formula
Mg4(Mg3Al9)O4[Si3Al9O36
Crystal System
Triclinic 
Crystal Habit
Granular, Tabular 
Cleavage
Perfect, None, None 
Luster
Vitreous (Glassy) 
Color
blue, bluish gray, greenish gray, green 
Streak
white 
Class
Triclinic - Pinacoidal 
Fracture
Uneven 
Hardness
7.5 

Data courtesy of Webmineral.

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