释义 |
eas·ton·ite \ˈēstəˌnīt\ noun (-s) Usage: often capitalized Etymology: Easton, city in eastern Pennsylvania, its locality + English -ite : a mineral K2Mg5AlSi5Al3O20(OH)4 consisting of basic silicate of potassium, aluminum, and magnesium and being an end-member of the biotite system |