1 Definition
1.1 definisi
nephelinite punika rock igneous nggoleki-grained utawa aphanitic arupi meh tanggung saka nepheline lan clinopyroxene (macem-macem augite).
trachyte punika rock vulkanik nggoleki-grained werna abu-abu kang utamané dumadi saka Feldspar alkali
1.2 Sajarah
1.2.2 asal
1.2.3 panemu
Dingertèni
Alexandre brongniart Rene Hauy
1.4 Etimologi
saka néphéline french, saka Nefele greek
saka trakhus greek atos 'utawa roughness trakhutēs
2.2 kelas
2.2.2 sub-kelas
awet rock, hard rock
awet rock, medium atose rock
2.3 kulawarga
2.3.1 group
2.5 kategori liyane
rock grained nggoleki, rock opaque
rock grained nggoleki, rock opaque