Baratovite

General Information:
 Chemical Formula:
KCa7(Ti,Zr)2Li3Si12O36F2
 Composition:
(Molecular Weight = 1,408.90 gm)
Potassium 2.78 % K 
Lithium 1.48 % Li
Calcium 19.91 % Ca
Zirconium 3.24 % Zr
Titanium 5.10 % Ti
Silicon 23.92 % Si
Oxygen 40.88 % O 
Fluorine 2.70 % F 
 Empirical Formula:
KCa7Ti1.5Zr0.5Li3Si12O36F2
 IMA Status:
Approved IMA 1975
Physical Properties:
 Cleavage:
[001] Perfect
 Color:
pearl white.
 Density:
2.92
 Hardness:
3.5 - Copper Penny
 Luster:
Pearly
 Streak:
white
More details...

General Information:
 Chemical Formula:
KCa7Li3Ti2(Si6O18)2(OH,F)2
 Composition:
(Molecular Weight = 1,384.24 gm)
Potassium 2.82 % K 
Lithium 1.50 % Li
Calcium 20.27 % Ca
Titanium 6.92 % Ti
Silicon 24.35 % Si
Hydrogen 0.11 % H 
Oxygen 43.34 % O 
Fluorine 0.69 % F 
 Empirical Formula:
KCa7Li3Ti2Si12O36(OH)1.5F0.5
 IMA Status:
Not IMA Approved
Physical Properties:
 Color:
white.
 Density:
2.91
 Hardness:
3.5-4 - Copper Penny-Flourite
 Luster:
Vitreous (Glassy)
More details...