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
Anthracite jinis rock sedimentary kang hard lan macem-macem batu bara sing wis luster dhuwur
saka anthrakites greek, saka anthrax, anthrak meaning coal
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque