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Common mineral in rocks
Answer for the clue "Common mineral in rocks ", 6 letters:
augite
Alternative clues for the word augite
Word definitions for augite in dictionaries
Wikipedia
Word definitions in Wikipedia
Augite is a common rock-forming single chain inosilicate mineral with formula (Ca,Na)(Mg,Fe,Al,Ti)(Si,Al)O. The crystals are monoclinic and prismatic . Augite has two prominent cleavages, meeting at angles near 90 degrees.
Wiktionary
Word definitions in Wiktionary
n. (context mineral English) A variety of pyroxene, usually of a black or dark green color, occurring in igneous rocks, such as basalt.
WordNet
Word definitions in WordNet
n. dark-green to black glassy mineral of the pyroxene group containing large amounts of aluminum and iron and magnesium
The Collaborative International Dictionary
Word definitions in The Collaborative International Dictionary
Augite \Au"gite\ ([add]"j[imac]t), n. [L. augites, Gr. a'ygi`ths, fr. a'ygh` brightness: cf. F. augite.] A variety of pyroxene, usually of a black or dark green color, occurring in igneous rocks, such as basalt; -- also used instead of the general ...
Usage examples of augite.
Shergotty and Zagami meteorites show that both diabase stones consist mainly of the pyroxenes pigeonite and augite, and of maskelynite, a shocked plasgioclase glass.
This is more especially true of chlorite, schorl, hornblende and augite.
Afternoon concert: gneisses, some augite, hornblende, slate, mica, Mozart, twittering eunuchs from the Kyrie to the chorale Dona nobis: polyphonic peeping -- but no sign of a teacher under a Bismarck hat.