{"product_id":"agblk-tumb-20_30mm","title":"Black Agate Tumbled Stone - 20-30 mm","description":"\u003cp\u003eBlack Agate Tumbled Stones show a deep, even black with a smooth, glossy polish that gives a clean, uniform surface. The colour is solid and consistent, occasionally with a faint sheen as light moves across it. At this size the stones are rounded and pleasant to hold, with a calm, weighty feel.\u003c\/p\u003e\n\u003cp\u003eBlack Agate is traditionally associated with grounding and emotional stability, valued for a sense of containment and steadiness during stressful or uncertain periods. It is commonly carried, kept in a pocket, or held in quiet moments, and the understated black colour also makes it a versatile display stone. Many people keep one close as a steadying everyday companion.\u003c\/p\u003e\n\u003cp\u003eEach Black Agate stone carries its own subtle surface character, so no two are exactly alike.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Properties\u003c\/strong\u003e\u003cbr\u003ePrimary Focus: Protection \u0026amp; Grounding\u003cbr\u003eSecondary Focus: Calm \u0026amp; Stress Relief\u003cbr\u003eChakra Association: Root, Crown\u003cbr\u003eZodiac Sign: Capricorn, Scorpio\u003cbr\u003eChinese Zodiac: Rat, Ox\u003cbr\u003eRuling Planet: Saturn\u003cbr\u003eElements: Earth\u003cbr\u003eMohs Hardness: 7\u003cbr\u003eStone Family: Tectosilicate\u003cbr\u003eMaterial: Natural Black Agate (dyed)\u003cbr\u003eOrigin: Brazil\u003cbr\u003eForm: Tumbled Stone\u003cbr\u003eFinish: Polished\u003cbr\u003eApproximate Size: 20-30 mm (0.7-1.1 inches)\u003cbr\u003eApproximate Weight: Single stone, 100g, or 1lb (454 g bulk quantity)\u003cbr\u003eListing: Single stone or bulk quantity\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGeological Information\u003c\/strong\u003e\u003cbr\u003eBlack Agate is a chalcedony variety of the quartz family, silicon dioxide of the trigonal system at a Mohs hardness of 7. Almost all commercial black agate, including this material, is natural grey or banded chalcedony dyed deep black using a sugar-acid or iron nitrate process that has been standard in the agate trade since the 19th century; the natural agate absorbs the treatment and the resulting colour is stable and permanent, and this dyeing is disclosed here. Idar-Oberstein in Germany developed and standardized the black agate dyeing process and became the centre of the agate trade from the 16th century onward. Black agate has been used in mourning jewellery and protective contexts across European and Middle Eastern traditions. This material is sourced primarily from Brazil, with further deposits in India and Germany.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAuturaSol Standard\u003c\/strong\u003e\u003cbr\u003eEach natural stone is selected for its authenticity, geological integrity, and energetic clarity. Natural variations in colour, structure, inclusions, and surface features are inherent to geological materials and contribute to the individuality of each piece. Any known treatments, enhancements, stabilization, or man-made characteristics are clearly disclosed within the product information where applicable. Every piece is inspected and photographed to reflect its true character; however, lighting conditions, screen settings, and natural variation may cause slight differences in appearance. If you have any questions about a piece before completing your purchase, we're always here to help. Where authenticity meets beauty, we tell you exactly what you're holding.\u003c\/p\u003e","brand":"AuturaSol","offers":[{"title":"Single Stone (approx 6 g)","offer_id":47374144569574,"sku":"30101003-1PC-AS-A2-I19","price":0.95,"currency_code":"CAD","in_stock":true},{"title":"100 g (approx 13-16 stones)","offer_id":47374144602342,"sku":"30101003-100G-AS-A2-I19","price":6.95,"currency_code":"CAD","in_stock":true},{"title":"1 lb (454 g bulk quantity)","offer_id":47374144635110,"sku":"30101003-1LB-AS-A2-I19","price":19.95,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/7200\/5350\/files\/Untitleddesign-2026-06-16T235424.913.jpg?v=1781634318","url":"https:\/\/auturasol.com\/products\/agblk-tumb-20_30mm","provider":"AuturaSol","version":"1.0","type":"link"}