Olgite

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]

Very dark green crystals of the rare phosphate mineral olgite from the type locality in Kola (Karnasurt Mountain, Lovozero Massif, Murmansk Oblast, Russian Federation)


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


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