General Information:
Chemical Formula:
Ba2Na4CeFe+++Nb2Si8O28·5(H2O)
Composition:
(Molecular Weight = 1,511.13 gm)
Barium 18.18 % Ba
Sodium 6.09 % Na
Cerium 9.27 % Ce
Niobium 12.30 % Nb
Iron 3.70 % Fe
Silicon 14.87 % Si
Hydrogen 0.67 % H
Oxygen 34.94 % O
Empirical Formula:
Ba2Na4CeFe3+Nb2Si8O28·5(H2O)
IMA Status:
Approved IMA 1987
Physical Properties:
Color:
brownish yellow or yellowish white.
Density:
3.6
Diaphaniety:
Transparent to Subtranslucent
Hardness:
4 - Fluorite
Luster:
Earthy (Dull)
Streak:
white
More details...