Augite
111Basalt — Ba*salt , n. [L. basaltes (an African word), a dark and hard species of marble found in Ethiopia: cf. F. basalte.] 1. (Geol.) A rock of igneous origin, consisting of augite and triclinic feldspar, with grains of magnetic or titanic iron, and also …
112Graystone — Gray stone , n. (Geol.) A grayish or greenish compact rock, composed of feldspar and augite, and allied to basalt. [1913 Webster] …
113Heteromerous — Het er*om er*ous, a. [See {Heteromera}.] 1. (Chem & Crystallog.) Unrelated in chemical composition, though similar or indentical in certain other respects; as, borax and augite are hom[oe]morphous, but heteromerous. [1913 Webster] 2. (Bot.) With… …
114Picrite — Pic rite, n. [From Gr. ? bitter.] (Min.) A dark green igneous rock, consisting largely of chrysolite, with hornblende, augite, biotite, etc. [1913 Webster] …
115Porphyrite — Por phy*rite, n. (Min.) A rock with a porphyritic structure; as, augite porphyrite. [1913 Webster] …
116Porphyritic — Por phy*rit ic, a. [Cf. F. porphyritique.] (Min.) Relating to, or resembling, porphyry, that is, characterized by the presence of distinct crystals, as of feldspar, quartz, or augite, in a relatively fine grained base, often aphanitic or… …
117Pyroxene — Pyr ox*ene, n. [F. pyrox[ e]ne, from Gr. ? fire + ? a stranger; so called because it was supposed to the be a stranger, or of rare occurrence, in igneous rocks,] (Min.) A common mineral occurring in monoclinic crystals, with a prismatic angle of… …
118basalt — noun Etymology: Latin basaltes, manuscript variant of basanites touchstone, from Greek basanitēs (lithos), from basanos touchstone, from Egyptian bḫnw Date: 1601 a dark gray to black dense to fine grained igneous rock that consists of basic… …
119monzonite — noun Etymology: French, from Mt. Monzoni, Italy Date: 1895 a granular igneous rock composed of plagioclase and orthoclase in about equal quantities usually together with augite and biotite …
120ophitic — adjective Etymology: ophite serpentine (stone), from Latin ophites, from Greek ophitēs (lithos), from ophitēs snakelike, from ophis snake; akin to Sanskrit ahi snake and probably to Latin anguis snake, anguilla eel, Greek enchelys eel, echidna… …
