Pumice lan Novaculite Definition

Pumice

Novaculite

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1 Definition

1.1 definisi

pumice punika rock vulkanik sing kasusun saka Highly vesicular atos kaca vulkanik tekstur, kang bisa utawa ora bisa ngemot kristal

novaculite punika kandhel, hard, nggoleki-grained, siliceous rock metamorpic kang jinis chert sing ngilangi karo rengat conchoidal

1.2 Sajarah

1.2.1 asal

spain

dingerteni

1.2.2 panemu

Dingertèni

1.3 Etimologi

saka pomis french lawas, saka varian dialect latin saka pumex

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

vulkanik

ora ditrapake

1.6 kategori liyane

rock grained nggoleki, rock opaque

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