| 释义 |
beidellite Min.|baɪˈdɛlaɪt|
[f. Beidell (see def.) + -ite1.]
A clay mineral from Beidell, Colorado.
1925Larsen & Wherry in Jrnl. Washington Acad. Sci. XV. 465 Beidellite, a new mineral name..we now propose..from the locality of the first occurrence described in detail, Beidell, Colorado..Al2O3.3SiO2.XH2O. 1932E. S. Dana Textbk. Mineral. v. vii. 682 Beidellite, Al2O3.3SiO2.4H2O. Probably orthorhombic..Iron-beidellite is a variety with considerable amount of Fe2O3. 1955Brown & Dey India's Min. Wealth (ed. 3) xiii. 532 Beidellite, anauxite and others, in which the proportion of water varies and the ratio of the silica to the alumina changes. 1963D. W. & E. E. Humphries tr. Termier's Erosion & Sedimentation vi. 135 More often..the clay formed is beidellite (Al, Mg)4 (Si Al)8 O12(OH)20 which is closely related to montmorillonite. |