释义 |
rubellan Min.|ˈruːbələn| Also rubellane. [f. L. rubell-us reddish.] (See quot. 1868.)
c1830Encycl. Metrop. (1845) VI. 508/2 Rubellan, Red Mica? 1868Watts Dict. Chem., Rubellan, an altered biotite..occurring in small hexagonal forms, or a red colour, in a kind of wacke. 1888Rutley Rock-forming Min. 197 Some varieties, as rubellane, show dark reddish-yellow or orange tints. |