Hardness Scale, after Mohs with diamond

• talc
• gypsum
• calcite
• fluorite
• apatite
• feldspar
• quartz
• topaz
• corundum
• natural diamond 

All samples are numerated and kept in a wooden etui made of laser cut wood. The inside of the lid shows the hardness scale after Mohs and absolute scale. 
This professional set is composed by our comany and contains high quality minerals. This hardness scale is fully functional and the perfect teaching material.