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Mineral hardness specimen mesh (i.e. Mohs hardness tester)

NegotiableUpdate on 05/23
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Mineral hardness specimen mesh (i.e. Mohs hardness tester)

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Common uses of representative substances:
Talc and Graphite are the softest known minerals, commonly used as talc powder.
1.5 Skin, natural arsenic
Gypsum is a widely used industrial material
2-3 ice cubes
2.5 Nail, Amber, Ivory
2.5~3 Pure gold, silver, aluminum Gold and silver are commonly used in jewelry, while aluminum is commonly used in industrial applications. At least know gold, K-gold, and platinum
Calcite, copper, and pearl can be used as carving materials and are also important raw materials for many industries. Copper was first used for decoration, and is also commonly used in alloy making and as a transmission medium in the electronics industry.
3.5 Shell
Fluorite, also known as fluorite, can be used as a carving material and is commonly used in metallurgy, chemical industry, and building materials industry.
4~4.5 Platinum is a rare metal and also the hardest among precious metals. Platinum is commonly used in military industry or jewelry processing. At least know gold, K-gold, and platinum
4-5 iron is commonly used in steelmaking and other industrial applications.
Apatite is an important component element of biological cytoplasm, commonly used in feed and fertilizer industries, and also an important chemical raw material.
5.5 Glass and Stainless Steel Craft Fashion Material Decoding - Stainless Steel
Orthoclase, Tanzanite, and pure titanium orthoclase can be used as raw materials for ceramics, glass, farneses, and the production of potassium fertilizers.
The main component of 6-7 teeth (outer layer of dental crown) is hydroxyapatite.
6~6.5 Soft Jade - Hetian Jade from Xinjiang
6.5 Iron pyrite sulfuric acid raw material source, gold extraction, medicinal use, etc.
6.5~7 Jadeite - Myanmar Jade or Emerald
Quartz and Amethyst are common refractory materials and the main raw materials for glass.
7.5 Tourmaline and Zircon are commonly used in jewelry applications
Topaz is a colored diamond commonly encountered in jewelry applications
8.5 Chrysoberyl is commonly used in jewelry applications
9 Corundum, chromium, tungsten steel jewelry, abrasives, etc. Common natural gemstones such as ruby and sapphire are all corundum; The artificial gemstone "Sapphire Crystal" (see the explanation on the website) also has the same hardness as corundum grade. Craft Fashion Material Decoding - Sapphire Crystal Glass
9.25 Moissanite artificial gemstone, with a brightness 2.5 times that of diamond, but priced at about 1/10
Diamond, the hardest natural gemstone on Earth, is commonly used in jewelry applications. A colored diamond that happened to meet by chance
More than 10 aggregated diamond nanorods (ADNR) were developed by German scientists in 2005, which are harder than diamonds and have broad industrial application prospects.