释义 |
ramsayite Min.|ˈræmzeɪaɪt| [ad. Russ. ramzait (E. E. Kostyleva 1923, in Compt. Rend. de l'Acad. des Sci. de Russie A. 55), f. the name of Wilhelm Ramsay (1865–1928), Finnish geologist: see -ite1.] A silicate of sodium and titanium, Na2Ti2Si2O9, occurring as orthorhombic crystals.
1924Mineral. Abstr. II. 250 (heading) On a new mineral—ramsayite from the Khibinsky and Lovozersky tundras. 1967Norsk Geol. Tidsskr. XLVII. 249 Ramsayite is an important constituent of the mosandrite pseudomorphs... The crystals range in length from about 0·1 mm to 1·5 mm. They are colourless to greyish. |