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Etimologi
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ganister punika hard, nggoleki-grained sandstone quartzose utawa orthoquartzite kang Sejatine digunakake ing Pabrik silika bata biasane digunakake kanggo geni baris lan jinis rocks sedimentary.
saka gan'is-ter IE hard, watu siliceous close-grained, asring mbentuk stratum kang underlies a coal-lapisan
rock grained coarse, rock grained nggoleki, rock opaque
diorite iku werna abu-abu kanggo penengah rock intrusive igneous peteng-werna abu-abu dumadi prinsipe saka plagioclase Feldspar, biotite, hornblende, lan pyroxene
saka awal abad kaping 19 diciptakaké ing french, kawangun teratur saka diorizein greek mbedakake
rock grained coarse, medium rock grained, rock opaque