From Mindat.Org Photo Of The Day; September 8, 2018:
Thomsonite-Ca: NaCa2[Al5Si5O20]·6H2O; Fluorapophyllite-(K): KCa4(Si8O20)(F,OH)·8H2O; Pyrite: FeS2
Locality: Palabora mine (Foscor open pit; PMC mine), Loolekop, Phalaborwa, Limpopo Province, South Africa
“A 7 mm stellate group of thomsonite on fluorapophyllite with minor cubic pyrite. Bruce Cairncross”







