Amygdale

Title

Amygdale

Subject

A vesicle (necessarily in an igneous rock), which has been filled in by a mineral crystallising from late-stage fluids. Amygdales are commonly produced by the crystallisation of quartz, calcite or zeolite.

Description

Have a look at the amygdaloidal basalt (L161) in the 1A Reference Series.

Collection

Citation

“Amygdale,” 1A Collections, accessed April 9, 2024, https://wserv3.esc.cam.ac.uk/p1acollections/items/show/172.