NON-METALLIC MINERAL PHYSICAL/OPTICAL PROPERTIES
type: Concept

HARDNESS
type: Concept
change note: 2013-03-22 08:20:26.0 [tbs1979] insert Definition (id: null text: In mineralogy the property of matter commonly described as the resistance of a substance to being scratched by another substance. language code: en);
change note: 2013-03-05 13:29:28.0 [tbs1979] Insert Concept add broader relation (HARDNESS [70cebb8f-f944-4fe7-be08-1ed86d50eb7c,83069] - NON-METALLIC MINERAL PHYSICAL/OPTICAL PROPERTIES [42424cb5-aa02-4e7e-b164-b2a3324285c6,83059]);
in scheme: sciencekeywords
definition: In mineralogy the property of matter commonly described as the resistance of a substance to being scratched by another substance.