definisi
trachyte punika rock vulkanik nggoleki-grained werna abu-abu kang utamané dumadi saka Feldspar alkali
novaculite punika kandhel, hard, nggoleki-grained, siliceous rock metamorpic kang jinis chert sing ngilangi karo rengat conchoidal
asal
dingerteni
dingerteni
panemu
Alexandre brongniart Rene Hauy
Dingertèni
Etimologi
saka trakhus greek atos 'utawa roughness trakhutēs
saka novacula tembung latin, kanggo watu silet
kelas
batuan beku
rocks sedimentary
sub-kelas
awet rock, medium atose rock
awet rock, hard rock
group
vulkanik
ora ditrapake
kategori liyane
rock grained nggoleki, rock opaque
rock grained nggoleki, rock opaque