Amygdale

From Conservapedia
Jump to: navigation, search

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)