Zeophyllite

General Information:
 Chemical Formula:
Ca4Si3O8(OH,F)4·2(H2O)
Physical Properties:
 Cleavage:
[001] Perfect
 Color:
white.
 Density:
2.747 - 2.764, Average = 2.75
 Diaphaniety:
Translucent to Opaque
 Hardness:
3 - Calcite
 Streak:
white
More details...