1 Definition
1.1 definisi
trachyte punika rock vulkanik nggoleki-grained werna abu-abu kang utamané dumadi saka Feldspar alkali
novaculite punika kandhel, hard, nggoleki-grained, siliceous rock metamorpic kang jinis chert sing ngilangi karo rengat conchoidal
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 novacula tembung latin, kanggo watu silet
1.4 kelas
batuan beku
rocks sedimentary
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 grained nggoleki, rock opaque