Crandallite (Var: Strontium-bearing Crandallite)
Mont-des-Groseillers, Blaton, Bernissart, Hainaut, Wallonia, Belgium
NIce trigonal forms of this crandallite rich in strontium. (Weight%: Sr 6.57%, Ca 6.22%, P 16.12%, Al 14.91%, O 69.17%). Collected in the "crandallite site"... Oct.6th, 2018
© Joan Rosell. RosellMinerals