Protection Grid Engraved Selenite Circle Round Charging Plate is available on Agate Export now. Selenite is a variety of gypsum occurring in transparent crystals or crystalline masses. The salt was formed by the repeated flooding of seawater millions of years ago. It is the concentrated saline solution combining with the gypsum that promotes the selenite crystal growth in a portion of the salt flats. Selenite is a crystallized form of gypsum. Chemically, it is a hydrous calcium sulfate. Place an order for Protection Grid Engraved Selenite Circle Round Charging Plate today at Agate Export.