General Information:
Chemical Formula:
(Sr,Ba,Na)2Al(CO3)F5
Composition:
(Molecular Weight = 374.12 gm)
Barium 22.02 % Ba
Sodium 1.23 % Na
Strontium 28.10 % Sr
Aluminum 7.21 % Al
Carbon 3.21 % C
Oxygen 12.83 % O
Fluorine 25.39 % F
Empirical Formula:
Sr1.2Ba0.6Na0.2Al(CO3)F5
IMA Status:
Approved IMA 1962
Physical Properties:
Cleavage:
[001] Good, [120] Good
Color:
colorless or white.
Density:
3.86
Diaphaniety:
Transparent
Hardness:
3.5 - Copper Penny
Luster:
Vitreous (Glassy)
Streak:
white
More details...