{"product_id":"zexclusive-carnelian-agate-polished-slice-chalcedony-center-basalt-matrix-collector-grade-natural-mineral","title":"zExclusive Carnelian Agate Slab Raw Cut Chalcedony Center Basalt Host Rock — Collector Grade Mineral Specimen","description":"\u003cp\u003e\u003cstrong\u003ezExclusive — Collector-Grade Carnelian Agate Slab\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis raw saw-cut carnelian agate slab presents a striking natural cross-section through a volcanic cavity nodule, revealing a polished interior face alive with warm orange-red carnelian banding and a cool blue-gray chalcedony core. The strong chromatic contrast between iron-oxide-rich carnelian zones and the microcrystalline chalcedony interior is precisely the kind of color drama that elevates a specimen from curiosity to centerpiece.\u003c\/p\u003e\u003cp\u003eThe outer rind retains its unworked basaltic host matrix, exhibiting authentic botryoidal surface texture — a reliable authenticity signal confirming this nodule was extracted whole and slabbed without alteration. Uneven organic banding and natural iron-oxide color zoning are consistent with genuine volcanic cavity agate formation. The polished interior face is intact with no chips; minor surface inclusions are intrinsic to the natural formation and in no way detract from display quality.\u003c\/p\u003e\u003cp\u003eWeighing approximately 0.4 lbs, this is a display-grade mid-tier specimen well suited to mineral collectors, lapidary enthusiasts, and natural history curators seeking a visually impactful addition to a collection. The intact basalt matrix rind signals an unaltered natural nodule — a characteristic actively sought by discerning collectors.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eOffered by zExclusive, Zebra Industries' curated source for vintage and artisan collectibles. Each specimen is individually assessed for collector-grade display value.\u003c\/em\u003e\u003c\/p\u003e","brand":"zexclusive","offers":[{"title":"Default Title","offer_id":55740286435620,"sku":"ZEX-00095","price":93.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0867\/4875\/8308\/files\/ZEX-00095_01.png?v=1784141513","url":"https:\/\/zebraindustries.net\/products\/zexclusive-carnelian-agate-polished-slice-chalcedony-center-basalt-matrix-collector-grade-natural-mineral","provider":"Zebra \u0026 Co.","version":"1.0","type":"link"}