Selenite (mineral)

Selenite (mineral)

Jesse Russell Ronald Cohn

     

бумажная книга



ISBN: 978-5-5111-8426-5

High Quality Content by WIKIPEDIA articles! 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.