1 Definition
1.1 definisi
Anthracite jinis rock sedimentary kang hard lan macem-macem batu bara sing wis luster dhuwur
travertine punika Mineral dumadi saka kalsium karbonat dilapisi kawangun dening Deposition saka spring Waters
1.2 Sajarah
1.2.1 asal
1.2.2 panemu
Dingertèni
Marcus vitruvius pollio
1.3 Etimologi
saka anthrakites greek, saka anthrax, anthrak meaning coal
saka travertino italian jenis bangunan watu, saka tiburs, kata saka tibur (Tivoli), ing Italia
1.4 kelas
rocks metamorphic
rocks sedimentary
1.4.1 sub-kelas
awet rock, rock alus
awet rock, medium atose rock
1.5 kulawarga
1.5.1 group
ora ditrapake
ora ditrapake
1.6 kategori liyane
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque
rock grained nggoleki, rock opaque