1 Definition
1.1 definisi
rapakivi granit punika granit hornblende-biotite ngemot kristal dibunderaké akeh orthoclase kang mantled karo oligoclase
lignite punika coal brownish alus kang nuduhake ngambah tetanduran lan ing antarané coal bituminous lan peat
1.2 Sajarah
1.2.1 asal
1.2.2 panemu
Jakob sederholm
Dingertèni
1.3 Etimologi
saka rapakivi finnish kang stands for rock crumbly
saka french, kayu lignum latin + -ite1
1.4 kelas
batuan beku
rocks sedimentary
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 coarse, rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque