definisi
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Etimologi
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kategori liyane
chert punika hard, peteng, opaque rock sedimentary kang dumadi saka silika karo susunan nggoleki-grained amorf
saka quartz Flint-kaya, 1670s, diweruhi origin- istilah lokal, kang wis dijupuk menyang nggunakake geologi
rock grained nggoleki, rock opaque
Quartzite punika rock non-foliated metamorphic sing formulir dening metamorphism saka sandstone quartz murni
medium rock grained, rock opaque