foidolite jinis langka coarse-grained rock igneous intrusive karo isi Mineral feldspathoid luwih saka 60%
diatomite punika rock sedimentary nggoleki-grained kang kawangun saka bumi diatomaceous nggabungake
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque
rock grained nggoleki, rock opaque