- lithophysa
- lith·o·phy·sa
English syllables. 2014.
lithophysa
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Lithophysa — A lithophysa (plural lithophysae) is a small cavity found in felsic volcanic rocks believed to be caused by expanding gases in tuffs before solidification. If it has become lined with crystals it may be referred to as a geode or a thunderegg. The … Wikipedia
lithophysa — … Useful english dictionary
Geode — For other uses, see Geode (disambiguation). Geode, halved and polished … Wikipedia
lithophysal — adjective see lithophysa … Useful english dictionary
