{"product_id":"gte-2x4-medium-black-premium-scratch-touchstone-for-acid-gold-silver-platinum-jewelry-testing","title":"GTE 2''x4'' Medium Black Premium Scratch Touchstone for Acid Gold Silver Platinum Jewelry Testing","description":"\u003cp data-start=\"151\" data-end=\"363\"\u003eThe \u003cstrong data-start=\"155\" data-end=\"200\"\u003eGTE 2\" x 4\" Premium Testing Scratch Stone\u003c\/strong\u003e is designed for use with testing acids to help determine the \u003cstrong data-start=\"262\" data-end=\"362\"\u003epurity and karat value of gold, silver, and platinum jewelry, scrap metal, coins, bars, and more\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"365\" data-end=\"523\"\u003eThis durable testing stone allows you to perform \u003cstrong data-start=\"414\" data-end=\"456\"\u003efast and reliable precious metal tests\u003c\/strong\u003e by creating a visible metal streak that reacts with testing acids.\u003c\/p\u003e\n\u003cp data-start=\"525\" data-end=\"644\"\u003eThe stone features a \u003cstrong data-start=\"546\" data-end=\"564\"\u003erubber backing\u003c\/strong\u003e that provides a stable, non-slip surface for safe and accurate desktop testing.\u003c\/p\u003e\n\u003cp data-start=\"646\" data-end=\"820\"\u003eEach stone can be used \u003cstrong data-start=\"669\" data-end=\"690\"\u003ehundreds of times\u003c\/strong\u003e, making it an essential tool for jewelers, pawn shops, precious metal buyers, collectors, and anyone who regularly tests jewelry.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1li3255\" data-start=\"822\" data-end=\"843\"\u003eThis kit includes\u003c\/h3\u003e\n\u003cp data-start=\"845\" data-end=\"964\"\u003e• \u003cstrong data-start=\"847\" data-end=\"881\"\u003eGTE 2\" x 4\" Premium Test Stone\u003c\/strong\u003e with rubber backing for non-slip testing\u003cbr data-start=\"922\" data-end=\"925\"\u003e• \u003cstrong data-start=\"927\" data-end=\"964\"\u003eEasy-to-follow instruction manual\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"quusf\" data-start=\"966\" data-end=\"990\"\u003eSimple Testing Steps\u003c\/h3\u003e\n\u003col data-start=\"992\" data-end=\"1344\"\u003e\n\u003cli data-section-id=\"wufwg4\" data-start=\"992\" data-end=\"1139\"\u003eScratch the jewelry piece across the surface of the testing stone while pressing firmly to leave a visible metal streak about \u003cstrong data-start=\"1121\" data-end=\"1136\"\u003e1 inch long\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-section-id=\"1uipsms\" data-start=\"1140\" data-end=\"1241\"\u003eApply a drop of the testing acid that corresponds to the karat value you believe the item to be.\u003c\/li\u003e\n\u003cli data-section-id=\"lwcmu0\" data-start=\"1242\" data-end=\"1344\"\u003eObserve the reaction and compare the result with the included chart to determine the metal content.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp data-start=\"1346\" data-end=\"1423\"\u003eThis testing method is \u003cstrong data-start=\"1369\" data-end=\"1422\"\u003equick, reliable, and widely used by professionals\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"1425\" data-end=\"1514\"\u003eA \u003cstrong data-start=\"1427\" data-end=\"1513\"\u003emust-have tool for anyone who buys, sells, or invests in gold, silver, or platinum\u003c\/strong\u003e.\u003c\/p\u003e","brand":"GOLD TESTING EQUIPMENT","offers":[{"title":"Default Title","offer_id":45591456645164,"sku":"2x4 gte stone","price":11.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/0954\/5772\/files\/EtsyItemListingPhotocopy14_3.jpg?v=1780422757","url":"https:\/\/smartsupplydeals.com\/products\/gte-2x4-medium-black-premium-scratch-touchstone-for-acid-gold-silver-platinum-jewelry-testing","provider":"Smart supply deals","version":"1.0","type":"link"}