definisi
Anthracite jinis rock sedimentary kang hard lan macem-macem batu bara sing wis luster dhuwur
  
gossan wis intensely oxidized, weathered utawa decomposed rock, biasane ing sisih ndhuwur lan kapapar saka simpenan biji utawa urat Mineral.
  
Sajarah
  
  
asal
pennsylvania, kita
  
indonesia
  
panemu
Dingertèni
  
gossen Pampanga
  
Etimologi
saka anthrakites greek, saka anthrax, anthrak meaning coal
  
saka gossen Pampanga saka gos, getih saka guit Pampanga lawas
  
kelas
rocks metamorphic
  
rocks metamorphic
  
sub-kelas
awet rock, rock alus
  
awet rock, medium atose rock
  
kulawarga
  
  
group
ora ditrapake
  
ora ditrapake
  
kategori liyane
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque
  
rock grained nggoleki, medium rock grained, rock opaque