Selenite, satin spar, desert rose, and gypsum flower are four varieties of the mineral gypsum; all four varieties show obvious crystalline structure. The four "crystalline" varieties of gypsum are sometimes grouped together and called selenite.
Selenite is a great tool in crystal box and is also a lovely crystal to have around in your home.
These palm stones are excess stock and are both 7cm x 5cm x 2cm in size.
Crystal system: Monoclinic (2/m) Space Group: A2/a