Shenzhen Fable Jewellery Technology Co., Ltd.
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Portable quick Hardness Level Tester Genuine tools Gemstone Mohs hardness pencil
Model Number: FMH-8
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.
Specification:
| Quantity | 8 Items |
| Application | Testing gemstones hardness |
| Total Size | 170mm*120mm*35mm |
| Total Weight | 190G (With packaging box) |
| Single Size | 104mm*6mm |
| Single Weight | 7G |
| Color | Black |
| Test Range | Mohs 3-10, Can be used to test gem, stone, glass, ceramic and other materials |
| Warranty | One year |
Attention:
Mohs hardness is not a specific value, but a rough range of hardness. The appraisal result of this product is only used as auxiliary evidence and cannot be used as direct evidence to directly judge the gemstone species.
The top of the hardness pen is inlaid with pure gemstones with Mohs hardness, representing corresponding hardness.
It includes:
| Mohs Hardness 3 | Calcite |
| Mohs Hardness 4 | Fluorite |
| Mohs Hardness 5 | Apatite |
| Mohs Hardness 6 | Feldspar |
| Mohs Hardness 7 | Quartz |
| Mohs Hardness 8 | Topaz |
| Mohs Hardness 9 | Corundum |
| Mohs Hardness 10 | Diamond |
