definisi
asal
panemu
Etimologi
kelas
sub-kelas
group
kategori liyane
trachyte punika rock vulkanik nggoleki-grained werna abu-abu kang utamané dumadi saka Feldspar alkali
Alexandre brongniart Rene Hauy
saka trakhus greek atos 'utawa roughness trakhutēs
awet rock, medium atose rock
rock grained nggoleki, rock opaque
coal iku combustible-ireng coklat ireng utawa sedimentary rock biasane kedadean ing parang tingkat ing lapisan sing disebut kasur coal
saka col term english lawas, kang wis temenan Mineral karbon fosil wiwit abad kaping 13
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque