Location: Pein Pyet Mogok Myanmar.
Size: 110 x 100 x 80 mm.
Weight: 872 gm.
Comment: Obtained from Mogok by a miner with some very interesting specimens including this one. Well formed triclinic crystals of this phosphate are not normally seen this size so it is a treat of a specimen.Not the normal run of the mill specimen one sees in collection. Formerly known as Natromontebrasite or Fremontite?