LithoCat

MineralSpinel
FormulaMgAl2O4
Crystal FormIsometric/Hexoctahedral [4/m 3 2/m]
CleavageNone
ColorColorless, Red, Blue, Green, Brown
Density3.6 – 3.7 g/cm3
DiaphaneityTransparent to Translucent to Op
FractureUneven
Hardness8.0
LustreVitreous
StreakGrayish white
Dana 8 Class7.2.1.1
Strunz ClassIV/B.01-10
Mindatmindat.org
WebMineralWebMineral
ID15