10 Pack Mohs Hardness Test Pen Scratch Tester Kit for Gem, Jade, Jewelry Identification Includes Storage Box for Easy Organization

Product description Indirect visual estimation method, the hardness of the gemstone can be reflected in the smoothness of the facets and the sharpness of the edges after processing. Under a magnifying glass, you can see that the facets of gemstones of varying hardness are smooth, flat, and have sharp edges. The indirect visual inspection method is a non-destructive approximate hardness identification method. Specifications: Product name: Mohs hardness pen Material: Stainless steel Hardness: Mohs hardness 1~10 Quantity: 10 pieces Material: Talc-1, Gypsum-2, Calcite-3, Fluorite-4, Apatite-5, Orthoclase-6, Quartz-7, Topaz-8, Corundum-9, Diamond-10 Package includes: 1*Mohs hardness test kit 1*storage box

• 【Mohs Hardness Pen】The Mohs hardness pen is based on the hardness of 10 different minerals, and materials of different hardness are selected to simulate alternative minerals to create a mineral-like scratch pen, which is used to detect the Mohs hardness of various surfaces.
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• 【10 Test grade】Talc-1,Gypsum-2, Calcite-3, Fluorite-4, Apatite-5, Orthoclase-6, -7, Topaz-8, Corundum-9, Diamond-10.
• 【Note】Note that the intensity of the engraving should be moderate, neither too light nor too heavy, because the direct engraving method to determine the hardness is damaging to gemstones. This method is generally not allowed to be used on finished gemstones.
• 【Wide Application】Commonly used for Mohs hardness determination on the surfaces of various types of solidified floors, floor tiles, ceramic tiles, concrete floor construction industry, glass, ceramics, marble products, ores and minerals, industrial porcelain.