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Slaty

slaty

Resembling slate; having the nature, appearance, or properties, of slate; composed of thin parallel plates, capable of being separated by splitting; as, a slaty colour or texture. Slaty cleavage, a variety of gneiss in which the scales of mica or crystals of hornblende, which are usually minute, form thin laminae, rendering the rock easily cleavable.

Origin: From Slate.


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