lithophyse

Noun. (mineralogy) A spherulitic cavity, often with concentric chambers, observed in some volcanic rocks, such as rhyolitic lavas.

This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license. Wiktionary is a great resource. If you like it too, please donate to Wikimedia.

This entry was last updated on RefTopia from its source on 3/20/2012.