General Information:
Chemical Formula:
Pb18Ba2Ca5Mn++2Fe+++2Si30O90Cl·6(H2O)
Composition:
(Molecular Weight = 6,852.27 gm)
Barium 4.01 % Ba
Calcium 2.92 % Ca
Manganese 1.60 % Mn
Iron 1.63 % Fe
Silicon 12.30 % Si
Hydrogen 0.18 % H
Lead 54.43 % Pb
Chlorine 0.52 % Cl
Oxygen 22.42 % O
Empirical Formula:
Pb18Ba2Ca5Mn2+2Fe3+2Si30O90Cl·6(H2O)
Environment:
In a manganese-rich skarn.
IMA Status:
Approved IMA (Dana # Added)
Locality:
The Langban Mines, Filipstad district, Varmland, Sweden.
Name Origin:
For Hytssjon, a lake west of the Langban mines.
Physical Properties:
Cleavage:
[001] Good
Color:
colorless.
Density:
5.09
Diaphaniety:
Transparent
Habits:
Microscopic Crystals - Crystals visible only with microscopes., Skeletal - Crystals form crude outlines with missing faces.,
Luminescence:
Non-fluorescent.
Luster:
Adamantine
Streak:
white
More details...