a type of unglazed stoneware, usually black with a dull gloss, developed by Josiah Wedgwood.
hard fine-grained black stoneware, made in Europe, esp in England, in the late 18th century
the dark, dense igneous rock of a lava flow or minor intrusion, composed essentially of labradorite and pyroxene and often displaying a columnar structure. noun a fine-grained dark basic igneous rock consisting of plagioclase feldspar, a pyroxene, and olivine: the most common volcanic rock and usually extrusive See flood basalt a form of black unglazed […]
the dark, dense igneous rock of a lava flow or minor intrusion, composed essentially of labradorite and pyroxene and often displaying a columnar structure. Historical Examples At this place the cliffs which overhang the southern bank presented a fine collection of basaltic columns. Early Western Travels 1748-1846, Volume 28 Various No doubt the basaltic mountains […]
a basaltic rock composed chiefly of plagioclase, olivine, and augite. Historical Examples basanite, bas′an-īt, n. a kind of quartz serviceable for testing the purity of the precious metals by the marks made. Chambers’s Twentieth Century Dictionary (part 1 of 4: A-D) Various basanite is also known as Lydian stone or touchstone on account of its […]
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