Genuine tools Testing Jade and Gemstone Mohs Hardness Level 5-9
Model Number: FMH-5
Hardness Pencil is used for scratching the rough gemstones. If there are scratches, the gemstone hardness is lower than that hardness marked on the pens.
Applications:
Gemological labs, gemology schools/institutes, jewelry/gem industry, --etc.
Quantity | 5 Items |
Application | Testing gemstones hardness |
Total Size | 170mm*120mm*35mm |
Total Weight | 170G (With packaging box) |
Single Size | 104mm*6mm |
Single Weight | 7G |
Color | Black |
Test Range | Mohs 5-9, Can be used to test gem, stone, glass, ceramic and other materials |
Warranty | One year |
Attention:
The use of the hardness pencil is damaged to the sample and the hardness pen itself. Please use it with caution! ! ! !
When using, please scratch the sample lightly with a hardness pencil.
Please select the part where the sample is not conspicuous or not the main surface for testing. Please do not choose the polished surface for faceted and curved gemstones.
It includes:
Mohs Hardness 5 | Apatite |
Mohs Hardness 6 | Feldspar |
Mohs Hardness 7 | Quartz |
Mohs Hardness 8 | Topaz |
Mohs Hardness 9 | Corundum |