| 释义 |
nenadkevite Min.|nɛˈnædkəvaɪt|
[ad. Russ. nenadkevit, f. as prec.]
Any member of a range of isomorphous, basic, hydrated silicates of uranium(IV), uranium(VI), magnesium, calcium, thorium, and lead.
19551st Internat. Conf. Peaceful Uses Atomic Energy: U.S.S.R. Sci. & Techn. Exhibition (Eng. ed.) 7 Of interest in the second group of silicates containing tetra- and hexavalent uranium is the new mineral species nenadkevite... This mineral is deposited from hydrothermal solutions in the form of veins. 1960Mineral. Abstr. XIV. 401/1 Rarer uranium deposits include those in which the ore mineral is the silicate nenadkevite. |