11. Below that is a layer of selenite containing 94-96 % calcium sulphate. 12. The mine has a rare assemblage of uranyl selenite minerals, and has palladium minerals. 13. Crystals of the mineral selenite are fairly common in places, as are nodules of pyrite. 14. There he encounters the Selenite race. 15. selenite , a rare and fragile form of selenite, which is a form of gypsum.16. Selenite, a rare and fragile form of selenite , which is a form of gypsum. 17. Selenite wedges, selenite plates, mica wedges and mica plates are also used for this purpose.18. Selenite wedges, selenite plates, mica wedges and mica plates are also used for this purpose. 19. The gypsum is formed by great crystals with particular silver glares ( variety known as selenite ). 20. The chronic toxic dose of selenite for humans is about 2400 to 3000 micrograms of selenium per day.
