Väyrynenite
A rare salmon-pink manganese-beryllium phosphate described in 1954 from Finland's Viitaniemi pegmatite.
Intro adapted from Wikipedia (CC BY-SA).
Väyrynenite is an IMA-recognized mineral species in the phosphate class, with the chemical formula BeMn²⁺(PO₄)(OH).
It crystallizes in the monoclinic crystal system (space group P2_1/a).
Key properties: Mohs hardness 5; specific gravity 3.22; White streak; Vitreous luster; optically biaxial.
IMA symbol Väy, grandfathered status — known before the IMA’s founding, named in 1954.
An alteration product of beryl and triphylite in complex zoned granite pegmatites.
It is found associated with Eosphorite, moraesite, hurlbutite, beryllonite, amblygonite, apatite, tourmaline, topaz, muscovite, microcline, quartz.
The mineral was named to honor Professor Heikki Allan Väyrynen (1888–1956), Technical Institute, Helsinki, Finland.