释义 |
john·strup·ite \ˈjänˌstrəˌpīt\ noun (-s) Usage: G johnstrupit, fr. Frederik Johnstrup †1894 Danish mineralogist + G -it -ite : a mineral approximately (Ca,Na)3(Ce,Ti,Zr)Si2O8F consisting of a complex silicate of cerium and other metals in prismatic crystals (sp. gr. 3.29) |