Quantitative standards for hardness of the ore minerals

• 1 September 1925
• journal article
• Published by Society of Economic Geologists, Inc. in Economic Geology
• Vol. 20  (6) , 531-553
• https://doi.org/10.2113/gsecongeo.20.6.531

Abstract

Keywords

• ORE MINERALS
• HARDNESS OF THE ORE
• QUANTITATIVE STANDARDS FOR HARDNESS