fluorspar

/floo-awr-spahr, -er-/US // ˈflu ɔrˌspɑr, -ər- //UK // (ˈflʊəˌspɑː) //

萤石,氟石,萤石矿,荧光石

Definitions

n.名词 noun

The oxyfluoride, CrO2F2, is obtained in a similar manner to the oxychloride by using fluorspar in place of common salt.
The crystals occurred in association with topaz, fluorspar and cassiterite; but they were mostly of rather pale colour.
Hydrofluoric acid is readily obtained from fluorspar by the action of concentrated sulphuric acid.
A mixture of fluorspar and sulphuric acid is then painted over the vessel and after a few minutes the vessel is washed clean.
Fluorspar has already been mentioned as the chief natural compound of fluorine.