megascopically
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megascopically — adverb see megascopic … New Collegiate Dictionary
megascopically — mega·scop·i·cal·ly … English syllables
megascopically — adverb see megascopic … Useful english dictionary
megascopic — adjective Etymology: mega + scopic (as in microscopic) Date: 1879 1. macroscopic 1 2. based on or relating to observations made with the unaided eye • megascopically adverb … New Collegiate Dictionary
Phanerite — A phanerite is an igneous rock having the grains of its essential minerals large enough to be seen macroscopically, i.e. are distinguishable with the unaided eye. Synonymous with coarse grained or megascopically crystalline .Cf: aphanitic … Wikipedia
Perthite — is used to describe an intergrowth of two feldspars: a host grain of potassium rich alkali feldspar (near K feldspar, KAlSi3O8, in composition) includes exsolved lamellae or irregular intergrowths of sodic alkali feldspar (near albite, NaAlSi3O8 … Wikipedia
Iddingsite — is an alteration of olivine that consists of a mixture of clay minerals, iron oxides and ferrihydrides. Iddingsite forms from the weathering of basalt in the presence of liquid water and can be described as a phenocryst meaning it has… … Wikipedia
megascopic — [meg΄ə skäp′ik] adj. 〚 MEGA + SCOP(E) + IC〛 MACROSCOPIC (sense 1) megascopically adv. * * * … Universalium
amphibole — /am feuh bohl /, n. Mineral. any of a complex group of hydrous silicate minerals, containing chiefly calcium, magnesium, sodium, iron, and aluminum, and including hornblende, tremolite, asbestos, etc., occurring as important constituents of many… … Universalium
schist — /shist/, n. any of a class of crystalline metamorphic rocks whose constituent mineral grains have a more or less parallel or foliated arrangement. [1775 85; < NL schistus, L (lapis) schistos < Gk schistós divided, curdled, divisible, deriv. of… … Universalium
