General Information:
Chemical Formula:Na(Sr,Ba)PO4
Composition:(Molecular Weight = 227.95 gm)Barium 27.11 %
BaSodium 10.09 %
NaStrontium 21.14 %
SrPhosphorus 13.59 %
P Oxygen 28.08 %
O Empirical Formula: NaSr0.55Ba0.45PO4
Environment:Nepheline syenite pegmatite.
IMA Status:Approved IMA 1980
Locality:Lovozero massif, Kola Peninsula, Russia.
Name Origin:Named for Olga Anisimovne-Vorobiova (1902-1974), Russian mineralogist.
Physical Properties: Color:blue or blue green.
Density:3.94
Habits:Microscopic Crystals - Crystals visible only with microscopes., Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).,
Hardness:4.5 - Between Fluorite and Apatite
Luster:Vitreous (Glassy)
Streak:white
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