celestite Min.
(ˈsɛləstaɪt, sɪˈlɛstaɪt)
[Altered by Dana from celestine: see -ite.]
A mineral; native-sulphate of strontia, Sr O. SO3, so called from the sky-blue colour it sometimes presents.
Baryto-celestite, Calcio-celestite, are varieties containing baryta and lime respectively.
| 1854 Dana Min. (1880) 620 Wittstein finds that the blue colour of the celestite of Jena is due to a trace of phosphate of iron..Celestite is usually associated with limestone. |