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Formula: KFe4(PO4)3
Anhydrous phosphate
Crystal System: Orthorhombic
Specific gravity: 3.52 calculated
Environments
Olsenite is a new mineral, approved in 2022 and to date (January 2024) reported only from the type locality.
Localities
At the type locality, El Ali meteorite, Hiran Region, Somalia, olsenite occurs as irregular crystals, 1 to 5 μm
in size, in the complex iron meteorite, associated with
troilite, graftonite and
elaliite
(Mindat).
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