definisi
asal
panemu
Etimologi
kelas
sub-kelas
group
kategori liyane
novaculite punika kandhel, hard, nggoleki-grained, siliceous rock metamorpic kang jinis chert sing ngilangi karo rengat conchoidal
saka novacula tembung latin, kanggo watu silet
rock grained nggoleki, rock opaque
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