General Information:
Chemical Formula:
Mg2(Al,Fe+++)3Si3AlO10(OH)8
IMA Status:
Approved IMA 1962
Physical Properties:
Cleavage:
[100] Perfect
Color:
white.
Density:
2.653
Diaphaniety:
Translucent
Hardness:
2.5-3.5 - Finger Nail-Copper Penny
Luster:
Pearly
Streak:
white
More details...