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Etimologi
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kategori liyane
obsidian punika kaca vulkanik alami kawangun minangka rock igneous extrusive. diprodhuksi nalika lahar felsic extruded saka gunung mbledhos ndingin kanthi cepet karo wutah kristal minimal
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
awet rock, medium atose rock
kapur iku alus, putih, watu gamping powdery dumadi utamané saka meriam fosil saka foraminifers
saka lawas kapur english cealc, jeruk, plester, krikil, asal saka basa Yunani khalix krikil cilik, ing english ditransfer menyang opaque, putih, watu gamping alus
rock grained nggoleki, rock opaque