foidolite jinis langka coarse-grained rock igneous intrusive karo isi Mineral feldspathoid luwih saka 60%
Quartzite punika rock non-foliated metamorphic sing formulir dening metamorphism saka sandstone quartz murni
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque
medium rock grained, rock opaque