definisi
Anthracite jinis rock sedimentary kang hard lan macem-macem batu bara sing wis luster dhuwur
  
rapakivi granit punika granit hornblende-biotite ngemot kristal dibunderaké akeh orthoclase kang mantled karo oligoclase
  
Sajarah
  
  
asal
pennsylvania, kita
  
finland, europe
  
panemu
Dingertèni
  
Jakob sederholm
  
Etimologi
saka anthrakites greek, saka anthrax, anthrak meaning coal
  
saka rapakivi finnish kang stands for rock crumbly
  
kelas
rocks metamorphic
  
batuan beku
  
sub-kelas
awet rock, rock alus
  
awet rock, hard rock
  
kulawarga
  
  
group
ora ditrapake
  
plutonic
  
kategori liyane
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque
  
rock grained coarse, rock opaque