- X-shaped trillings
-
иксообразные тройники
English-Russian dictionary of geology. 2011.
English-Russian dictionary of geology. 2011.
Chrysoberyl — General Category Oxide minerals Spinel group Chemical formula Be … Wikipedia
olivine — olivinic /ol euh vin ik/, olivinitic /ol euh vi nit ik/, adj. /ol euh veen , ol euh veen /, n. Mineral. any of a group of magnesium iron silicates, (Mg,Fe)2SiO4, occurring in olive green to gray green masses as an important constituent of basic… … Universalium