- a fine-grained granite composed essentially of feldspar and quartz.
Origin of aplite
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- a light-coloured fine-grained acid igneous rock with a sugary texture, consisting of quartz and feldspars
C19: from German Aplit, from Greek haploos simple + -ite 1
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