Amygdaloid: Difference between revisions

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n.) A variety of trap or basaltic rock, containing small cavities, occupied, wholly or in part, by nodules or geodes of different minerals, esp. agates, quartz, calcite, and the zeolites. When the imbedded minerals are detached or removed by decomposition, it is porous, like lava.
a.) Alt. of Amygdaloidal

Latest revision as of 23:58, 21 May 2024

a.) Alt. of Amygdaloidal