| 释义 |
katoptrite Min.|kəˈtɒptraɪt|
Also catoptrite.
[ad. G. katoptrit (G. Flink 1917, in Geol. För. Förh. XXXIX. 432), f. Gr. κάτοπτρ-ον mirror (alluding to its brilliant lustre): see -ite1.]
A silico-antimonate of bivalent manganese (partly replaced by magnesium and bivalent iron) and aluminium (partly replaced by trivalent iron) occurring as black, lustrous, monoclinic crystals.
1917Chem. Abstr. XI. 2650 Catoptrite, a new mineral from Nordmarken. 1919Jrnl. Chem. Soc. CXVI. ii. 112 Katoptrite occurs as tabular crystals and irregular lumps with magnetite in granular limestone in the Brattfors mine at Nordmark. 1951C. Palache et al. Dana's Syst. Min. (ed. 7) II. 1029 Catoptrite. 1966Amer. Mineralogist LI. 1495 The analysis of Flink (1917)..seems to be essentially correct, even considering the peculiar composition of catoptrite. The analysis computes to very nearly (Mn.86,Mg.10,Fe.04)142+(Al.83,Fe.17)43+Sb2Si2O29. 1968I. Kostov Mineral. 328 Katoptrite and parwelite are monoclinic. |