[ 'sɛlɪnʌɪt ]
■ noun a form of gypsum occurring as transparent crystals or thin plates.
Origin
C17: via L. from Gk selēnitēs lithos 'moonstone'.
SELENITE
Meaning of SELENITE in English
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004