Olgite is a rare blue-green colored phosphate mineral series that forms microscopic prismatic crystals that are trigonal in structure. Its chemical formula is Na(Sr,Ba)PO4.[1]

Olgite
Very dark green crystals of the rare phosphate mineral olgite from the type locality in Kola (Karnasurt Mountain, Lovozero Massif, Murmansk Oblast, Russian Federation)
General
CategoryMinerals
FormulaNa(Sr,Ba)PO4
Identification
ColorBlue-green

Olgite was discredited as a mineral name in 2008 by the International Mineralogical Association and is now the series name for bario-olgite and strontio-olgite (hypothetical mineral).[2][3] The substance was named after Russian mineralogist Olga Anisimovne-Vorobiova (1902–1974).

References

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  1. ^ Olgite on Mindat
  2. ^ Olgite on Webmin
  3. ^ Ernst A. J. Burke. "Status of Olgite and Bario-olgite" (PDF).