01 n. A rock of igneous origin, consisting of augite and triclinic feldspar, with grains of magnetic or titanic iron, and also bottle-green parti…
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1.
A rock of igneous origin, consisting of augite and triclinic feldspar, with grains of magnetic or titanic iron, and also bottle-green particles of olivine frequently disseminated.(Geol.)
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2.
An imitation, in pottery, of natural basalt; a kind of black porcelain.