Difference between revisions of "Amygdale"
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Revision as of 17:09, May 25, 2007
Secondary infilling of a vesicle in an igneous rock. Minerals that occur as amygdales include quartz, calcite, and the Zeolite Group.
Pellant, p. 250
Sources
- Pellant, Chris. The Complete Book of Rocks and Minerals, Dorling Kindersley Inc.: New York (1995)