MINERALS FOR MOHS SCALE HARDNESS TEST
Set of 14 Mohs scale minerals. The minerals are packed in an elegant wooden carryng case, and squared in approximate dimensions of 30x30x10 mm.
The hardness are: 2-2.5-3-3.5-4-4.5-5-5.5-6-6.5-7-7.5-8-9.
Specifiche tecniche
Single Mohs scale minerals:
• Hardness 2 Plaster
• Hardness 2.5 Volpinite
• Hardness 3 Calcite
• Hardness 3.5 Aragonite
• Hardness 4 Fluorite
• Hardness 4.5 Serpentine
• Hardness 5 Apatite
• Hardness 5.5 Opal
• Hardness 6 Orthoclase
• Hardness 6.5 Jade
• Hardness 7 Quartz
• Hardness 7.5 Tourmaline
• Hardness 8 Topaz
• Hardness 9 Corundum
