1 Definition
1.1 definisi
trachyte punika rock vulkanik nggoleki-grained werna abu-abu kang utamané dumadi saka Feldspar alkali
comendite punika hard, peralkaline igneous rock, jinis cahya rhyolite werna abu-abu biru
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
comendite asalé jeneng saka wilayah saka le commende ing San Pietro pulo ing Italia
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
medium rock grained, rock opaque