Definition of picropharmacolite in English:

picropharmacolite

noun

Mineralogy
  • A mineral of the monoclinic system that is a hydrated arsenate of calcium and magnesium, (Ca,Mg)₃(AsO₄)₂·6H₂O, occurring as colourless to white needles, incrustations, and concretions.

Origin

Early 19th century. After German Picro-pharmacolith; compare pharmacolite.