Posted on April 30, 2018 by Alexey A. Lagutenkov, GIA GG

Väyrynenite [´vjairənə,nait] is an exceedingly rare manganese- beryllium phosphate mineral with chemical formula of Mn2+Be(PO4)(OH,F). Initially it was found by a Finnish mineralogist of Russian origin Oleg von Knorring (1915-1994) in Viitaniemi, Finland in 1939…

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