1 Definition
1.1 definisi
iku Magnesium sugih rock metamorphic amarga dumadi saka talc Mineral
porphyry punika reddish-coklat kanggo kain rock igneous ngemot phenocrysts akeh macem-macem mineral ditempelake ing matrik nggoleki-grained
1.2 Sajarah
1.2.1 asal
1.2.2 panemu
1.3 Etimologi
saka abad ka-17, amarga saka aran greasy lan nggunakake kaya sinetron sing
saka lawas porfire french, saka porfiro italian lan ing sawetara kasus langsung saka porphyrites latin
1.4 kelas
rocks metamorphic
batuan beku
1.4.1 sub-kelas
awet rock, rock alus
awet rock, hard rock
1.5 kulawarga
1.5.1 group
1.6 kategori liyane
rock grained nggoleki, rock opaque
rock grained nggoleki, rock opaque