General Information:
Chemical Formula:
Mg5Ba(PO4)4·8(H2O)
Composition:
(Molecular Weight = 782.86 gm)
Barium 17.54 % Ba
Magnesium 15.52 % Mg
Phosphorus 15.83 % P
Hydrogen 2.06 % H
Oxygen 49.05 % O
Empirical Formula:
Mg5Ba(PO4)4·8(H2O)
Environment:
In cavities in dolomitic carbonatites.
IMA Status:
Approved IMA, Dana # Added
Locality:
Kovdor iron deposit, Kola Peninsula, Russia.
Name Origin:
For Olga M. Rimskaya-Konsakova (1914-1987), Russian mineralogist from St. Petersbug University.
Physical Properties:
Cleavage:
[001] Perfect
Color:
yellowish brown or pink.
Density:
2.67
Diaphaniety:
Transparent to translucent
Habits:
Pseudo Hexagonal - Crystals show a hexagonal outline., Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline)., Fibrous - Crystals made up of fibers.
Hardness:
3 - Calcite
Luminescence:
Non-fluorescent.
Luster:
Vitreous - Silky
Streak:
white
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