- a basaltic rock composed chiefly of plagioclase, olivine, and augite.
Origin of basanite
1745–55; < Latin basanītēs; see basalt
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Examples from the Web for basanite
Or is he a kind of basanite for bunches, and do they come out on us at the sight of him?Friendship Village
Basanite, bas′an-īt, n. a kind of quartz serviceable for testing the purity of the precious metals by the marks made.
Basanite is also known as Lydian stone or touchstone on account of its use for trying the purity of metals.
- a black basaltic rock containing plagioclase, augite, olivine, and nepheline, leucite, or analcite, formerly used as a touchstone
C18: see basalt
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