{"product_id":"premium-natural-test-stone-for-silver-gold-jewellery-testing-scratch-acid-tester-black-2-x-2","title":"Premium Natural Test Stone for Silver Gold Jewellery Testing, Scratch Acid Tester, Black 2\"\" x 2\"\"","description":"\u003cp\u003eFor UK jewellers and pawnbrokers who need to verify the fineness of precious metals, this natural test stone provides a reliable surface for acid testing. Its dark, high-contrast face makes observing the colour reaction of gold and silver streaks straightforward and accurate whilst performing assays.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eNatural stone with a fine-grain surface for a clean metal streak.\u003c\/li\u003e\n\u003cli\u003eDark grey-black colour provides high contrast for viewing streak and acid reactions.\u003c\/li\u003e\n\u003cli\u003eCut into a solid 2\" x 2\" square block for a stable testing base.\u003c\/li\u003e\n\u003cli\u003eDesigned for use with testing acids to determine gold, silver, and platinum fineness.\u003c\/li\u003e\n\u003cli\u003eDurable and reusable surface that can be cleaned between tests.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWho it's for\u003c\/h3\u003e\n\u003cp\u003eAn essential bench tool for UK bench jewellers, pawnbrokers, and bullion dealers. Also suitable for antique dealers and hobbyists who need to reliably verify precious metal content before purchase or repair.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial: Natural Stone\u003c\/li\u003e\n\u003cli\u003eDimensions: 2\" x 2\" (approx. 51mm x 51mm)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"ts-trust\"\u003e\u003cstrong\u003eFree UK delivery\u003c\/strong\u003e · \u003cstrong\u003eSame-day dispatch\u003c\/strong\u003e before 2pm · \u003cstrong\u003e30-day returns\u003c\/strong\u003e\u003c\/p\u003e\n\u003cspan data-toolsmith-sku-index style=\"position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden\" aria-hidden=\"true\"\u003eSKU: JJ-JFYD-GV3L\u003c\/span\u003e\n\n\u003c!-- TS:RELATED-GUIDES v1 --\u003e\n\u003cdiv class=\"ts-related-guides\" style=\"margin-top:2em;padding:1em;border-top:1px solid #e0d4c0;\"\u003e\n\u003ch3 style=\"margin:0 0 .5em 0;font-size:1.1em;\"\u003eRelated buying guides\u003c\/h3\u003e\n\u003cul style=\"margin:0;padding-left:1.2em;\"\u003e\n  \u003cli\u003e\u003ca href=\"\/blogs\/news\/setting-up-a-jewellery-bench-uk-essentials\"\u003eSetting Up a Jewellery Bench: 12 Essentials UK Bench Jewellers Actually Use\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/blogs\/news\/jewellers-saw-frames-and-blades-uk-guide\"\u003eJeweller's Saw Frames and Blades: Pick the Right Combo\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/blogs\/news\/uk-hallmarking-guide-jewellery-makers-2026\"\u003eUK Hallmarking Guide for Jewellery Makers (2026)\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/collections\/jewellery-making-tools\"\u003eBrowse all Jewellery Making Tools\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Toolsmith Ltd","offers":[{"title":"Default Title","offer_id":53140160053591,"sku":"JJ-JFYD-GV3L","price":9.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1005\/1623\/3559\/files\/toolsmith-rebg-premium-natural-test-stone-for-silver-gold-jewellery-testing-1777633563.jpg?v=1777633570","url":"https:\/\/www.toolsmithltd.co.uk\/products\/premium-natural-test-stone-for-silver-gold-jewellery-testing-scratch-acid-tester-black-2-x-2","provider":"Toolsmith Ltd","version":"1.0","type":"link"}