1 Definition
1.1 definisi
tephrite iku sawijining aphanitic kanggo porphyritic tekstur, vulkanik rock igneous
Anthracite jinis rock sedimentary kang hard lan macem-macem batu bara sing wis luster dhuwur
1.2 Sajarah
1.2.1 asal
germany
pennsylvania, kita
1.2.2 panemu
1.3 Etimologi
saka tephra greek, awu saka basa indo-european, kanggo ngobong
saka anthrakites greek, saka anthrax, anthrak meaning coal
1.4 kelas
batuan beku
rocks metamorphic
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 grained nggoleki, medium rock grained, rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque