General Information:
Chemical Formula:
(Na,K)3(Ba,Ca)4(Ti,Fe,Al)6Si8O26(OH)4
Composition:
(Molecular Weight = 1,530.89 gm)
Potassium 1.92 % K
Barium 26.91 % Ba
Sodium 3.38 % Na
Calcium 2.62 % Ca
Titanium 11.26 % Ti
Aluminum 1.06 % Al
Iron 6.57 % Fe
Silicon 14.68 % Si
Hydrogen 0.26 % H
Oxygen 31.35 % O
Empirical Formula:
Na2.25K0.75Ba3CaTi3.6Fe3+1.8Al0.6Si8O26(OH)4
IMA Status:
Approved IMA 1987
Physical Properties:
Cleavage:
[???] Good
Color:
gray pink.
Density:
3.3
Diaphaniety:
Translucent
Luster:
Pearly
Streak:
white
More details...