| 释义 |
priderite Min.|ˈpraɪdəraɪt|
[f. the name of R. T. Prider, 20th-c. Australian geologist, who made a study of the suite of rocks from which the first identified sample was taken: see -ite1.]
A lustrous black titanate of potassium and barium that is optically similar to rutile and occurs as rectangular prisms and plates.
1951K. Norrish in Mineral. Mag. XXIX. 496 (heading) Priderite, a new mineral from the leucite-lamproites of the West Kimberley area, Western Australia. Ibid. 500 The formula of priderite is approximately (K, Ba)1·33 (Ti,Fe)8O16. 1960Jrnl. Geol. Soc. Austral. VI. 72 Priderite, a potassium titanate.., is the mineral which was earlier referred to as rutile. 1968Mineral. Mag. XXXVI. 869 The priderite bearing rocks are alumina-deficient and alkali-rich but sodium-poor. |