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Aplite is a fine-grained granite composed mainly of feldspar and quartz
From German Aplit, from Greek haploos simple + -ite
Fine Grained Rock, Opaque Rock
Alkali feldspar granite, also known as red granite, is a felsic igneous rock and a type of granite rich in the mineral potassium feldspar
From mineral fledspar which is present in large quantities in this rock
Coarse Grained Rock, Opaque Rock