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rock > igneous rock > hyperleucocratic rock
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hyperleucocratic rock comparison table
Subject has color index has texture has composition has definition has grain size has part mineral has shade has solidification mechanism has solidification timescale has genesi is a kind of
aplite10 or lessapproximately equant anhedral grainssilicates (with very few exceptions)a very light colored, medium to fine grained, allotriomorphic-granular, quartz-alkali feldspardiscernable without a microscope very light   allotriomorphic rock

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