- dystome spar
-
датолит
English-Russian dictionary of geology. 2011.
English-Russian dictionary of geology. 2011.
Dystome — Dys tome, a. [Gr. dys ill, hard + tomo s cutting, diate mnein to cut.] (Min.) Cleaving with difficulty. [1913 Webster] Note: Datolite was called dystome spar by Mohs. || … The Collaborative International Dictionary of English