Recently, Gibbons, Ahrens, and Rossman (1974) proposed that the irreversible reduction of Mn3+ to Mn2+ is responsible for the spectral changes induced by the shock-loading of rhodonite at pressures up to 496 kbar.

This content is PDF only. Please click on the PDF icon to access.

First Page Preview

First page PDF preview
You do not have access to this content, please speak to your institutional administrator if you feel you should have access.