General Information:
Chemical Formula:
Na25Ba(Y,Gd,Dy)2(HCO3)4(CO3)11(SO4)2ClF2
Composition:
(Molecular Weight = 2,115.35 gm)
Barium 6.49 % Ba
Sodium 27.17 % Na
Gadolinium 4.46 % Gd
Yttrium 5.04 % Y
Dysprosium 1.54 % Dy
Hydrogen 0.19 % H
Carbon 8.52 % C
Sulfur 3.03 % S
Chlorine 1.68 % Cl
Oxygen 40.09 % O
Fluorine 1.80 % F
Empirical Formula:
Na25BaY1.2Gd0.6Dy0.2(HCO3)4(CO3)11(SO4)2ClF2
IMA Status:
Approved IMA
Physical Properties:
Cleavage:
[0001] Perfect
Color:
green, yellowish green, or colorless.
Density:
2.85
Diaphaniety:
Transparent
Hardness:
4 - Fluorite
Luster:
Vitreous - Pearly
Streak:
white
More details...