1 Definition
1.1 definisi
chert punika hard, peteng, opaque rock sedimentary kang dumadi saka silika karo susunan nggoleki-grained amorf
iku Magnesium sugih rock metamorphic amarga dumadi saka talc Mineral
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 abad ka-17, amarga saka aran greasy lan nggunakake kaya sinetron sing
1.4 kelas
rocks sedimentary
rocks metamorphic
1.4.1 sub-kelas
awet rock, hard rock
awet rock, rock alus
1.5 kulawarga
1.5.1 group
ora ditrapake
ora ditrapake
1.6 kategori liyane
rock grained nggoleki, rock opaque
rock grained nggoleki, rock opaque