Home > Products > General Gem Tools > Hardness Pencil with natural stone and from 5 to 9 Mohs
Hardness Pencil with natural stone and from 5 to 9 Mohs
Negotiable
/ Box
1 Box(Min. Order)
- Shenzhen
- Credit Card
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Product Details
| Place of Origin | China | Brand Name | Fable | |
| Model Number | FMH-5 |
Product Description
Hardness Pencil with natural stone and from 5 to 9 Mohs
Specification:
Hardness pencils are pencils with a tip made of one of the 10 minerals on Mohs scale.
These pencils are used to try and scratch a stone and observe if the pencils can scratch the gem. Since this is a destructive method (it leaves a scratch)
5pcs in 1box.
Details:
1. The Hardness Pencil: Apatite-5; Orthoclase-6; Quartz-7; Topaz-8; Corundum-9.
2. Mohs Hardness:5-9, 5pcs in box,
3. Gift box package
4. Those minerals are mounted in five metal pole respectively,use the corner of those mineral to scratch the gem,you will get the hardness according to the nick you scratch,
5. If there is a nick after you scratched, the sample's hardness is lower than the standard hardness pencil; If there is no nick after you scratched, that means the sample's hardness is higher than the standard hardness pencil.
Contact Us
- Shenzhen Fable Jewellery Technology Co., Ltd.
- Contact nameCelina K Chat Now
- Phone86-755-89583846-809
- AddressPinghu, Shenzhen, Guangdong
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