1 Definition
1.1 definisi
chert punika hard, peteng, opaque rock sedimentary kang dumadi saka silika karo susunan nggoleki-grained amorf
appinite iku sawijining rock beku ing kang kristal sing supaya nggoleki grained sing mineral individu ora bisa gampang bentenaken
1.2 Sajarah
1.2.1 asal
1.2.2 panemu
1.3 Etimologi
saka quartz Flint-kaya, 1670s, diweruhi origin- istilah lokal, kang wis dijupuk menyang nggunakake geologi
saka macem-macem lamprophyre greek lampros padhang lan kang madhangi + porphureos kain
1.4 kelas
rocks sedimentary
batuan beku
1.4.1 sub-kelas
awet rock, hard rock
awet rock, medium atose rock
1.5 kulawarga
1.5.1 group
1.6 kategori liyane
rock grained nggoleki, rock opaque
rock grained coarse, rock grained nggoleki, rock opaque