definisi
novaculite punika kandhel, hard, nggoleki-grained, siliceous rock metamorpic kang jinis chert sing ngilangi karo rengat conchoidal
trachyte punika rock vulkanik nggoleki-grained werna abu-abu kang utamané dumadi saka Feldspar alkali
Sajarah
asal
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panemu
Ora dingerteni
Alexandre brongniart Rene Hauy
Etimologi
saka novacula tembung latin, kanggo watu silet
saka trakhus greek atos 'utawa roughness trakhutēs
kelas
rocks sedimentary
batuan beku
sub-kelas
awet rock, hard rock
awet rock, medium atose rock
kulawarga
group
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vulkanik
kategori liyane
rock grained nggoleki, rock opaque
rock grained nggoleki, rock opaque