definisi
asal
panemu
Etimologi
kelas
sub-kelas
group
kategori liyane
rhyolite punika rock igneous nggoleki-grained kang sugih ing silika
saka rhyolit german, saka stream lahar greek rhuax + watu lithos
rock grained coarse, rock opaque
gritstone utawa grit punika hard, coarse-grained, siliceous sandstone
rock grained coarse, rock opaque