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Rockswest knows there'a a lot to learn and know when it comes to rocks and minerals we offer. Here are few FAQ's to help you understand what these amazing naturally occurring things are all about.

  1. What is Selenite? Selenite is a form of gypsum, CaSO4-2(H2O), hydrated calcium sulfate. Gypsum is one of the more common minerals in sedimentary environments. It is a major rock forming mineral that produces massive beds, usually from precipitation out of highly saline waters.
  2. Where is the largest deposit of selenite in the world? The largest visible deposit of selenite is in the form of sand crystals at White Sands National Monument in New Mexico, where the selenite sand covers an area of 275 square miles.