General Information:
Chemical Formula:
Ca6Si3O9(OH)6
Composition:
(Molecular Weight = 570.76 gm)
Calcium 42.13 % Ca
Silicon 14.76 % Si
Hydrogen 1.06 % H
Oxygen 42.05 % O
Empirical Formula:
Ca6Si3O9(OH)6
Environment:
Contact zone between limestone and diorite.
Locality:
Velardena mining district, Druango, Mexicol
Physical Properties:
Cleavage:
[???] Good
Color:
colorless, greenish white, or white.
Density:
2.7
Diaphaniety:
Transparent to translucent
Habits:
Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite), Fibrous - Crystals made up of fibers.,
Hardness:
5.5 - Knife Blade
Luster:
Vitreous (Glassy)
Streak:
white
More details...