General Information:
Chemical Formula:
(K,Na)(CaNa)2Mg5[Si8O22](OH,F)2
Composition:
(Molecular Weight = 832.34 gm)
Potassium 3.52 % K
Sodium 3.45 % Na
Calcium 4.82 % Ca
Magnesium 14.60 % Mg
Silicon 26.99 % Si
Hydrogen 0.12 % H
Oxygen 44.21 % O
Fluorine 2.28 % F
Empirical Formula:
K0.75Na1.25CaMg5(Si8O22)(OH)F
IMA Status:
Approved IMA
Physical Properties:
Cleavage:
[???] Perfect
Color:
pink or blue.
Streak:
white
More details...