1 Definition
1.1 definisi
coal iku combustible-ireng coklat ireng utawa sedimentary rock biasane kedadean ing parang tingkat ing lapisan sing disebut kasur coal
mugearite jinis oligoclase prewangan basalt, uga dumadi saka olivine, apatite, lan oksida opaque
1.2 Sajarah
1.2.1 asal
1.2.2 panemu
john peter Salley
alfred Harker
1.3 Etimologi
saka col term english lawas, kang wis temenan Mineral karbon fosil wiwit abad kaping 13
saka mugear + -ite
1.4 kelas
rocks sedimentary
batuan beku
1.4.1 sub-kelas
awet rock, rock alus
awet rock, medium atose rock
1.5 kulawarga
1.5.1 group
1.6 kategori liyane
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque
rock opaque