General Information:
Chemical Formula:
K8Tl4Al12Si24O72·20(H2O)
Composition:
(Molecular Weight = 3,027.26 gm)
Potassium 10.33 % K
Aluminum 10.70 % Al
Thallium 6.75 % Tl
Silicon 22.27 % Si
Hydrogen 1.33 % H
Oxygen 48.62 % O
Empirical Formula:
K8TlAl12Si24O72·20(H2O)
IMA Status:
Approved IMA
Physical Properties:
Color:
pearl white.
Density:
2.14
Hardness:
4-5 - Fluorite-Apatite
Luster:
Pearly
Streak:
white
More details...