definisi
Anthracite jinis rock sedimentary kang hard lan macem-macem batu bara sing wis luster dhuwur
granit punika banget hard, granular, rock kristal beku kang kasusun utamané saka kuarsa, mica, lan Feldspar lan asring digunakake minangka bangunan watu
Sajarah
asal
pennsylvania, kita
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panemu
Ora dingerteni
Alexander von Humboldt
Etimologi
saka anthrakites greek, saka anthrax, anthrak meaning coal
saka granito italian, kang tegese rock grained, saka gandum grano, lan saka granum latin
kelas
rocks metamorphic
batuan beku
sub-kelas
awet rock, rock alus
awet rock, hard rock
kulawarga
group
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plutonic
kategori liyane
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque
rock grained coarse, rock opaque