1 Definition
1.1 definisi
Anthracite jinis rock sedimentary kang hard lan macem-macem batu bara sing wis luster dhuwur
kimberlite iku langka, biru-tinged, coarse-grained intrusive rock igneous, kang kadhangkala ngandhut perhiasan lan akéh ditemokaké ing africa kidul lan Siberia.
1.2 Sajarah
1.2.1 asal
pennsylvania, kita
kimberley, tresna
1.2.2 panemu
1.3 Etimologi
saka anthrakites greek, saka anthrax, anthrak meaning coal
saka kimberley + -ite, saka jeneng kutha african kidul kimberley ngendi rock iki pisanan ditemokaké.
1.4 kelas
rocks metamorphic
batuan beku
1.4.1 sub-kelas
awet rock, rock alus
awet rock, hard rock
1.5 kulawarga
1.5.1 group
1.6 kategori liyane
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque
rock grained coarse, rock grained nggoleki, rock opaque