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7 Pcs Mohs Hardness Test Kit, 3-9 Scratch Tester Hardness Test Pen, Industrial Mineral Identification Kit with Storage Box, Portable Hardness Testing Equipment, for Identification Gem Jade Jewelry.
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R 7,679
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Description
- 【Principle】: Use the corners of the ore to scratch the sample to be tested, and judge the hardness of the sample based on whether there are scratches on the sample: if there are scratches, it means that the hardness of the sample is lower than the hardness of the hardness pen.
- 【Test Grade】: Calcite-3, Fluorite-4, Apatite-5, Orthoclase-6, Quartz-7, Topaz-8, Corundum-9. The test gemstone at the tip of the hardness test is a carefully processed multi-faceted shape, which is more convenient and practical to use.
- 【Indirect Visual Estimation Method】: The hardness of gemstones can be reflected in the smoothness of the facets and the sharpness of the edges after processing.
- 【Easy To Use】: The test gemstone at the tip of the hardness test is a carefully processed multi-faceted shape, which is more convenient and to use.
- 【Wide Application】: This hardness test pen is applicable for gemstone, ceramic tile, floor, glass, mobile phone screen, mineral, concrete, etc.thicknesses, including materials such as polyethylene, polyester, and aluminum foil.
Shipping & Delivery
Your order is shipped from the USA and delivered to your door in South Africa in 10–20 working days. All items are fully tracked.
Returns & Exchanges
We offer a 30-day return window. If something isn't right, contact our support team and we'll make it right.