{"product_id":"mohs-hardness-test-kit-5-9-diamond-gemstone-mineral-tester","title":"Mohs Hardness Test Kit 5–9 – Diamond, Gemstone \u0026 Mineral Scratch Tester","description":"\u003cp\u003eThis Mohs Hardness Test Kit 5–9 is a practical scratch testing kit used to help identify the hardness of minerals, rocks, gemstones, diamonds, and jewelry materials.\u003c\/p\u003e\n\u003cp\u003eIt includes 5 hardness testing pens supplied in a plastic storage case with a magnetic lid, making it easy to store, carry, and use.\u003c\/p\u003e\n\u003cp\u003eThe hardness pens cover Mohs levels 5 to 9, which includes many of the rocks and gemstones commonly used in jewelry making. This makes the kit useful for jewelers, gemologists, collectors, lapidary workers, students, mineral dealers, and gemstone buyers.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTo use the kit, lightly try to scratch the stone with one hardness pen. If it does not scratch the stone, move to the next higher pen until a scratch appears. The hardness of the stone is usually estimated as the number below the pen that scratched it.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor example, if the Mohs 7 pen does not scratch the stone but the Mohs 8 pen does, the stone is approximately between Mohs 7 and Mohs 8 in hardness.\u003c\/p\u003e\n\u003cp\u003eFor diamond-like stones, a genuine diamond has a hardness of Mohs 10, so it should resist scratching from the Mohs 9 pen. \u003cem\u003eHowever, Mohs testing is only one identification method and should be used together with other gemological tools for final confirmation.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eKey Features\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMohs hardness test kit 5–9\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eIncludes 5 hardness pens\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSupplied in a plastic case with magnetic lid\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHelps identify minerals, rocks, gemstones, diamonds, and jewelry materials\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eUseful for gemstone scratch testing and hardness comparison\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCovers hardness levels used by many jewelry stones\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCompact and portable for shop, lab, classroom, workshop, or field use\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eIdeal for jewelers, gemologists, collectors, students, and mineral dealers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eHow to Use\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eChoose a hardness pen.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eLightly test on a hidden or less visible area of the stone.\u003cbr\u003eIf the pen does not scratch the stone, try the next higher hardness pen.\u003cbr\u003eWhen a pen scratches the stone, the stone’s hardness is approximately below that \u003cbr\u003enumber.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eUse the result together with other gemological tests for better identification.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMohs Hardness Scale\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1-Talc    Very soft\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e2-Gypsum    Soft, can be scratched easily\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e3-Calcite    Can be scratched by copper\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e4-Fluorite    Medium-soft mineral\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e5-Apatite    Common jewelry and mineral testing range begins\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e6-Orthoclase    Harder than many softer stones\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e7-Quartz    Hard mineral, can scratch glass\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e8-Topaz    Very hard gemstone level\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e9-Corundum    Ruby and sapphire hardness level\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e10-Diamond    Hardest natural material on the Mohs scale\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eImportant Note\u003c\/em\u003e\u003cbr\u003eThis is a scratch test, so use carefully and test only on a hidden or less visible area. Mohs hardness testing is helpful for gemstone and mineral identification, but it should not be used as the only method for diamond or gemstone authentication.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWhy Are the Testing Tips White?\u003c\/em\u003e\u003cbr\u003eThe tips may appear white or colorless because they are made to represent a specific hardness level, not the natural color of the reference mineral. Minerals such as apatite, quartz, topaz, and corundum can occur in many colors, including white or colorless. For Mohs testing, the important factor is scratch resistance, not color.\u003c\/p\u003e","brand":"I.DAVID","offers":[{"title":"Default Title","offer_id":55599412707704,"sku":null,"price":185.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0751\/9309\/0350\/files\/MOHS-01.jpg?v=1783532905","url":"https:\/\/idavid.be\/fr\/products\/mohs-hardness-test-kit-5-9-diamond-gemstone-mineral-tester","provider":"I.DAVID","version":"1.0","type":"link"}