Words Like PITCHSTONE

We have put together a list of words that are similar to PITCHSTONE.

Alternative Words Similar to pitchstone

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5 definitions of pitchstone

1 An igneous rock of semiglassy nature, having a luster like pitch.
2 dark acid granitic glass
3 Any of various volcanic glasses distinguished by their dull pitchlike luster.
4 An old volcanic rock, resembling hardened pitch in appearance.
5 a natural glass, that is rich in microscopic crystallites, formed by the rapid cooling of lava or magma
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