Friable
Revision as of 10:30, 12 June 2007 by Kdanneberger (talk | contribs)
1. Easily crumbled in the fingers; non-plastic.
This photo demonstrate how many sandstones are "friable." This means that the grains are not well-cemented to each other. They can be broken apart in your hands.
Source: http://www.geomore.com/sandstones.htm