General Information:
Chemical Formula:
(K,H3O)(Al,Mg,Fe)2(Si,Al)4O10[(OH)2,(H2O)]
IMA Status:
Not IMA Approved
Physical Properties:
Cleavage:
[???] Perfect
Color:
white.
Density:
2.6 - 2.9, Average = 2.75
Diaphaniety:
Translucent
Hardness:
1-2 - Between Talc and Gypsum
Luster:
Earthy (Dull)
Streak:
white
More details...