KNOOP HARDNESS NUMBERS FOR 127 OPAQUE MINERALS
ROBERTSON, FORBESVolume:
72
Year:
1961
Language:
english
Journal:
Geological Society of America Bulletin
DOI:
10.1130/0016-7606(1961)72[621:khnfom]2.0.co;2
File:
PDF, 924 KB
english, 1961