Mohs Hardness Scale (Graphic)

Mohs Hardness Scale. Graphic by the Indiana Geological Survey. Copyright 2011, The Trustees of Indiana University, Indiana Geological Survey. This may be reproduced for educational purposes, courtesy of the Indiana Geological Survey
Abstract/Description: Mohs Hardness Scale. Graphic by the Indiana Geological Survey. Copyright 2011, The Trustees of Indiana University, Indiana Geological Survey. This may be reproduced for educational purposes, courtesy of the Indiana Geological Survey
Subject(s): environmental sciences