definisi
rhyolite punika rock igneous nggoleki-grained kang sugih ing silika
jasperoid punika, jinis aneh langka rupane metasomatic saka rocks
panemu
Ferdinand von Richthofen
Ora dingerteni
Etimologi
saka rhyolit german, saka stream lahar greek rhuax + watu lithos
saka silika, isi Mineral utama jasperoid
kelas
batuan beku
rocks sedimentary
sub-kelas
awet rock, hard rock
awet rock, medium atose rock
kategori liyane
rock grained coarse, rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque