There is one very beautiful specimen of shining white, fine-grained granite aplite, with small, pale red garnets.    From Wordnik.com.  [The South Pole; an account of the Norwegian antarctic expedition in the "Fram," 1910-1912 — Volume 2] Reference

The former deposits contain arsenopyrite and copper-bearing pyrite impregnating a mica-quartz-schist, adjacent to and in apparent genetic relation with aplite or pegmatite intrusives.    From Wordnik.com.  [The Economic Aspect of Geology] Reference