1 Definition
1.1 definisi
picrite iku macem-macem dhuwur-Magnesium basalt olivine sing sugih banget ing olivine Mineral
Anthracite jinis rock sedimentary kang hard lan macem-macem batu bara sing wis luster dhuwur
1.2 Sajarah
1.2.1 asal
pulo hawaii
pennsylvania, kita
1.2.2 panemu
1.3 Etimologi
saka pikros greek pait + -ite, abad ka-19
saka anthrakites greek, saka anthrax, anthrak meaning coal
1.4 kelas
batuan beku
rocks metamorphic
1.4.1 sub-kelas
awet rock, hard rock
awet rock, rock alus
1.5 kulawarga
1.5.1 group
1.6 kategori liyane
rock grained nggoleki, rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque