Feature

●1. Mohs hardness tester is made from PH10 crystal with precise value.
●2. There are 10 pcs of hardness pen in the box, each of them is 130mm long and diameter of 6mm.
●3. This hardness test pen is applicable for gemstone, ceramic tile, floor, glass, mobile phone screen, mineral, concrete, etc.
●4. Hardness test kit is a multi-faceted shape carefully processed so that will be more convenient and durable to use.
●5. Pure stainless steel material with good texture and delicate appearance.

[10 pcs]

[6 pcs]

Description

According to the abrasion resistance increasing hardness level is:

Hardness 1: Talc
Hardness 2: Gypsum
Hardness 3: Calcite
Hardness 4: Fluorite
Hardness 5: Apatite
Hardness 6: Orthoclase
Hardness 7: Quartz
Hardness 8: Topaz
Hardness 9: Corundum
Hardness 10: Diamond