Wiktionary
kovdorskite
n. (context mineralogy English) A monoclinic-prismatic mineral containing carbon, hydrogen, magnesium, oxygen, and phosphorus.
Wikipedia
Kovdorskite
Kovdorskite, MgPO(OH)ยท3HO, is a rare, hydrated, magnesium phosphate mineral. It was first described by Kapustin et al., and is found only in the Kovdor Massif near Kovdor, Kola Peninsula, Russia. It is associated with collinsite, magnesite, dolomite, hydrotalcite, apatite, magnetite, and forsterite.