| 释义 |
uniˈsilicate Min.
[uni-2.]
(See quot. from Dana.) Also attrib.
1879Rutley Stud. Rocks x. 140 In chemical composition the garnets are essentially unisilicates of different sesquioxides and protoxides. 1879Dana Man. Min. (ed. 3) 242 In the Unisilicates, one molecule of silicon is combined with two of an element in the protoxide state..; or with two-thirds of a molecule in the sesquioxide state. Ibid., Among the species referred to the Unisilicates there are some that vary from the unisilicate ratio. |