Table 1-3 MOH'S SCALE OF HARDNESS Hardness Mineral Hardness Set Objects 1 Talc 2 Gypsum 2.5 Fingernail 3 Calcite 3.5 Copper penny 4 Fluorite 5 Apatite 5.5 Steel nail 6 Orthoclase Glass plate 6.5 Steel file 7 Quartz 8 Topaz 9 Corundum 10 Diamond Return to Hardness section of mineral identification Back to top Back to Table of Contents Cleavage ( for more information ) Cleavage describes the tendency of a mineral to break or split along planes of weakness in a mineral.
(1-3 MOH'S SCALE OF HARDNESS Hardness Mineral Hardness Set; Objects; 1 Talc 2 Gypsum 2.5 Fingernail 3 Calcite 3.5 Copper penny 4 Fluorite 5 Apatite 5.5 Steel nail 6 Orthoclase Glass plate 6.5 Steel file 7) (Quartz 8 Topaz 9 Corundum 10 Diamond Return; to Hardness Back Back; section of mineral identification) (Cleavage; describes; the tendency of a mineral)
1-3 MOH'S SCALE OF HARDNESS Hardness Mineral Hardness Set Quartz 8 Topaz 9 Corundum 10 Diamond Return Cleavage
Objects to Hardness Back Back describes
1 Talc 2 Gypsum 2.5 Fingernail 3 Calcite 3.5 Copper penny 4 Fluorite 5 Apatite 5.5 Steel nail 6 Orthoclase Glass plate 6.5 Steel file 7
section of mineral identification
the tendency of a mineral