Home > Products > General Gem Tools > 5 to 9 Mohs of Hardness Pencil with Material of Natural Stone
5 to 9 Mohs of Hardness Pencil with Material of Natural Stone
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1 Box(Min. Order)
- Shenzhen
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Product Details
| Place of Origin | Guangdong, China | Brand Name | Fable | |
| Model Number | FMH-5 |
Product Description
5 to 9 Mohs of Hardness Pencil with Material of Natural Stone
Specification:
- The Hardness Pencil: Fluorite-4,Apatite-5; Orthoclase-6; Quartz-7; Topaz-8; Corundum-9.
- Mohs Hardness:4-9, 6pcs in box,
- Gift box package
- 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,
- 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.
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)
6pcs in 1box.
Contact Us
- Shenzhen Fable Jewellery Technology Co., Ltd.
- Contact nameCelina K Chat Now
- Phone86-755-89583846-809
- AddressPinghu, Shenzhen, Guangdong
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