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Help CenterHardness Pencil for Gemstone Testing
Negotiable
MOQ: 10 Sets (Price negotiable depending on order volume and customization)
Key Specifications
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Place of Origin:
China
Brand Name:
Fable
Model Number:
FMH-8
Payment & Shipping
Payment Methods:
Port of Shipment:
Shenzhen
Delivery Detail:
Delivery time depends on order quantity.
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Place of Origin
China
Brand Name
Fable
Model Number
FMH-8
- The Hardness Pencil:Calcite-3, Fluorite-4,Apatite-5; Orthoclase-6; Quartz-7; Topaz-8; Corundum-9, Adamas-10.
- Mohs Hardness:3-10, 8pcs 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)
8pcs in 1box.
Send Inquiry to This Supplier
Business Type
Manufacturer, Trading Company
Year Established
2008
Factory Size
1,000-3,000 square meters
Total Employees
11 - 50 People
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