phillipsite Min.
(ˈfɪlɪpsaɪt)
[Named 1825 after the English mineralogist, J. W. Phillips: see -ite1.]
A hydrous silicate of aluminium, calcium, and potassium, found in cruciform twin crystals of a white colour.
| 1825 T. Thomson's Ann. Philos. Ser. ii. X. 362, I propose the name of phillipsite in honor of Mr. J. W. Phillips. 1850 Dana Min. (ed. 3) 306 Phillipsite occurs in large translucent crystals. |