noun Date: 1801 a mineral consisting of a fluoride of sodium and aluminum found especially in Greenland usually in white cleavable masses and formerly used as a source of aluminum
CRYOLITE
Meaning of CRYOLITE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012