Olympite

olympite

sidorenkite

dorfmanite

shafranovskite

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Formula: LiNa5(PO4)2
Anhydrous phosphate, lithium-bearing mineral
Crystal system: Orthorhombic
Specific gravity: 2.8 measured, 2.85 calculated
Hardness: 4
Streak: White
Colour: Colourless
Solubility: Easily soluble in cold water, decomposes rapidly in air
Environments

Pegmatites

Olympite occurs as an ultra-alkalic phase in nepheline syenite pegmatites in differentiated alkalic massifs (HOM).

Localities

At the type locality, Rasvumchorr Mt, Khibiny Massif, Murmansk Oblast, Russia, olympite occurs as oval grains, up to 5 mm in size, in a nepheline syenite pegmatite. Associated Minerals include sidorenkite, dorfmanite, nahpoite, villiaumite, shafranovskite and aegirine (Mindat).

At the Lovozero Massif, Murmansk Oblast, Russia, olympite is associated with natrite and natrosilite (HOM).

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