| 释义 |
priorite Min.|ˈpraɪəraɪt|
[ad. G. priorit (W. C. Brögger 1906, in Skr. udgivne af Vidensk.-Selsk. i Christiania (Mat.-Nat. Kl.) I. vi. 111), f. the name of G. T. Prior (1862–1936), British mineralogist: see -ite1.]
A mixed oxide, chiefly of niobium, titanium, and yttrium, with traces of several other elements, which occurs as black or dark brown orthorhombic crystals.
1907Jrnl. Chem. Soc. XCII. ii. 886 Another mineral of this series is one from Swaziland, South Africa, analysed by G. T. Prior..; for this, the name priorite is proposed. Blomstrandine and priorite are isomorphous and are respectively dimorphous with polycrase and euxenite. 1944C. Palache et al. Dana's Syst. Min. (ed. 7) I. 796 Priorite was found originally at Urstad on the island of Hitterö in southwest Norway. 1966Amer. Mineralogist LI. 156 Only two well-established Ce–Y rare-earth mineral series are known for which names have been assigned to the end members: 3. aeschynite-priorite series [;] 4. britholite-abukumalite series. 1968I. Kostov Mineral. 254 Euxenite group... The chief members of the group are euxenite.., priorite ((Y, Th) (Nb, Ti)2O6). |