| 释义 |
amarantite Min.|æməˈræntaɪt|
[ad. G. amarantit (A. Frenzel 1888, in Min. und Petrogr. Mittheilungen IX. 398), f. amaranth: see -ite1.]
A hydrous ferric sulphate of brownish-red colour (see quot. 1938).
1890Amer. Jrnl. Sci. XL. 199 Amarantite. The crystallization is triclinic. Ibid. 201 Amarantite occurs associated with, and sometimes imbedded in a finely fibrous orange-colored mineral, probably sideronatrite. 1938[see hohmannite]. 1938M. C. Bandy in Amer. Mineralogist XXIII. 745 Amarantite group. .. The members of this group are brownish red basic hydrous iron sulphates, in one of which, amarantite, dehydration data indicate that the water is given off in three stages... The formulae are, accordingly, written to indicate these various kinds of water. |
