General Information:
Chemical Formula:
Ba2Ce(CO3)3F
Composition:
(Molecular Weight = 613.80 gm)
Barium 44.75 % Ba
Cerium 22.83 % Ce
Carbon 5.87 % C
Oxygen 23.46 % O
Fluorine 3.10 % F
Empirical Formula:
Ba2Ce(CO3)3F
Environment:
Alkaline igneous rocks.
IMA Status:
Approved IMA
Locality:
Khibina alkaline massif, Kola peninsula, Russia; Vuorijarvi alkaline massif, Kola peninsula, Russia; Mont Saint-Hilare alkaline complex, Rouville County, Quebec, Canada.
Name Origin:
For Prof. Alexander A. Kukharenko (1914-1993), Department of Mineralogy, St. Petersburg University, St. Petersburg, Russia.
Physical Properties:
Cleavage:
None
Color:
yellow, reddish brown, colorless, white, or pinkish gray.
Density:
4.61 - 4.7, Average = 4.65
Diaphaniety:
Transparent to translucent to opaque
Habits:
Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline)., Stellate - Occurs as spherical, radial aggregates radiating from a "star" like point., Dendritic - Branching "tree- like" growths of great complexity (e.g.
Hardness:
4.5 - Between Fluorite and Apatite
Luminescence:
Non-fluorescent.
Luster:
Vitreous - Greasy
Streak:
white
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