1 Definition
1.1 definisi
trachyte punika rock vulkanik nggoleki-grained werna abu-abu kang utamané dumadi saka Feldspar alkali
variolites iku sawijining klompok saka rocks peteng ijo dhasar igneous kang ngetokne bulak panggonan colored, utawa spherules, utamané ing lumahing weathered, sing menehi dheweke katon pockmarked
1.2 Sajarah
1.2.1 asal
1.2.2 panemu
Alexandre brongniart Rene Hauy
Dingertèni
1.3 Etimologi
saka trakhus greek atos 'utawa roughness trakhutēs
saka varius latin, blentongé, Variegated
1.4 kelas
1.4.1 sub-kelas
awet rock, medium atose rock
awet rock, hard rock
1.5 kulawarga
1.5.1 group
1.6 kategori liyane
rock grained nggoleki, rock opaque
rock opaque