Mohs hardness scale

Function and Applications

To determine the hardness of a mineral, according to internationally established standard set of mineral hardness 1 .. 10.

Equipment and technical data

mineral samples with hardnesses from 1 to 10:

• 1 talcum
• 2 gypsum
• 3 calcite
• 4 fluorite
• 5 apatite
• 6 feldspar
• 7 quartz
• 8 topaz
• 9 corundum
• 10 diamond

• magnet
• pin
• file
• cleaving knife
• streak plate
• In wooden storage box
• Dimension 230 x 130 mm