Soapstone lan Batubara Definition
definisi
iku Magnesium sugih rock metamorphic amarga dumadi saka talc Mineral
coal iku combustible-ireng coklat ireng utawa sedimentary rock biasane kedadean ing parang tingkat ing lapisan sing disebut kasur coal
panemu
Dingertèni
john peter Salley
Etimologi
saka abad ka-17, amarga saka aran greasy lan nggunakake kaya sinetron sing
saka col term english lawas, kang wis temenan Mineral karbon fosil wiwit abad kaping 13
kelas
rocks metamorphic
rocks sedimentary
sub-kelas
awet rock, rock alus
awet rock, rock alus
group
ora ditrapake
ora ditrapake
kategori liyane
rock grained nggoleki, rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque