{"product_id":"7-piece-mohs-hardness-test-kit-with-3-to-9-scratch","title":"7 Piece Mohs Hardness Test Kit With 3 To 9 Scratch Tester Pens Portable Mineral Identification Kit In A Rugged Storage Box For Gem Jade Jewelry Testing And Quick Easy Rock And Mineral ID","description":"\u003cdiv\u003e7-Piece Mohs Hardness Kit with 3-9 Scratch Pens for ID\u003cbr\u003e\n✔️ Includes 3-9 Mohs scratch pens, rugged storage box for field use \u003cp\u003eThis compact Mohs hardness test kit includes seven scratch pens covering Mohs 3 to 9, stored in a rugged case. It’s designed for quick gemstone, mineral, and jewelry testing in fieldwork or workshops.\u003c\/p\u003e \u003cp\u003e✅ 7-piece set with 3-9 Mohs pens and a multi-faceted tip\u003cbr\u003e\n✅ Test grades Calcite-3, Fluorite-4, Apatite-5, Orthoclase-6, Quartz-7, Topaz-8, Corundum-9\u003cbr\u003e\n✅ Indirect visual estimation via facet smoothness and edge sharpness\u003cbr\u003e\n✅ Rugged storage box for portable field use\u003cbr\u003e \u003c\/p\u003e\n\u003cp\u003e💡 What is a Mohs hardness test kit used for in mineral identification? This handy tool helps identify minerals by scratching against the Mohs scale in real-world tests.\n- Mineral identification by scratch testing on Mohs scale (3-9)\n- Handy for field work and workshops for gemstones and minerals\n- Works on common materials like glass, ceramic tile, concrete, and foil-backed surfaces\u003c\/p\u003e✝️\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":49138770444523,"sku":"VXB0GHN3TT1F","price":303.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/61aEMe4qhaL.jpg?v=1785669090","url":"https:\/\/vxb.com\/products\/7-piece-mohs-hardness-test-kit-with-3-to-9-scratch","provider":"VXB Bearings","version":"1.0","type":"link"}