1 Definition
1.1 definisi
lignite punika coal brownish alus kang nuduhake ngambah tetanduran lan ing antarané coal bituminous lan peat
litchfieldite punika rock langka igneous kang coarse-grained, foliated lan macem-macem nepheline syenite, kadhangkala uga disebut minangka nepheline syenite gneiss utawa gneissic nepeheline syenite
1.2 Sajarah
1.2.1 asal
1.2.2 panemu
1.3 Etimologi
saka french, kayu lignum latin + -ite1
saka occurrence ing Litchfield, maine, usa
1.4 kelas
rocks sedimentary
batuan beku
1.4.1 sub-kelas
awet rock, rock alus
awet rock, medium atose rock
1.5 kulawarga
1.5.1 group
1.6 kategori liyane
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque
rock grained coarse, rock opaque