orthoclastic
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Orthoclastic — Or tho*clas tic, a. (Crystallog.) Breaking in directions at right angles to each other; said of the monoclinic feldspars. [1913 Webster] … The Collaborative International Dictionary of English
orthoclastic — adjective Having cleavage planes at right angles; as in orthoclase … Wiktionary
orthoclastic — or·tho·clas·tic … English syllables
orthoclastic — | ̷ ̷ ̷ ̷|klastik adjective Etymology: German orthoklastisch, from orth + klastisch clastic : cleaving in directions at right angles to each other used originally of the monoclinic feldspars … Useful english dictionary
Feldspar — Feld spar , Feldspath Feld spath , n. [G. feldspath; feld field + spath spar.] (Min.) A name given to a group of minerals, closely related in crystalline form, and all silicates of alumina with either potash, soda, lime, or, in one case, baryta.… … The Collaborative International Dictionary of English
Feldspath — Feldspar Feld spar , Feldspath Feld spath , n. [G. feldspath; feld field + spath spar.] (Min.) A name given to a group of minerals, closely related in crystalline form, and all silicates of alumina with either potash, soda, lime, or, in one case … The Collaborative International Dictionary of English
orthotomous — orthotomous, a. Min. (ɔːˈθɒtəməs) [f. as prec. + ous.] = orthoclastic. Webster cites Dana … Useful english dictionary
