cubic
Spinel
MgAl2O4
Quick Facts
Hardness
8
Specific Gravity
3.58-3.61
Refractive Index
1.712-1.720
Crystal Structure
cubic[m3m]:{111} cubic
m3m
{111}
Physical Properties
Crystal Systemcubic
Hardness (Mohs)8
Specific Gravity3.58-3.61
CleavageImperfect octahedral (rarely seen)
FractureConchoidal
LustreVitreous
Optical Properties
Refractive Index1.712-1.720
PleochroismNone
Dispersion0.02
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Open in Playground cubic[m3m]:{111} Related Minerals
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