{"product_id":"lewisian-gneiss-from-scotland-the-oldest-rock-in-the-uk-1kg-rough-lot-polishes-beautifully-20-60-mm","title":"Lewisian Gneiss from Scotland – the oldest rock in the uk 1kg Rough Lot (Polishes Beautifully) 20-60 mm","description":"\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eAncient Scottish bedrock with over 2.7 billion years of geological history. Lewisian Gneiss is famous for its swirling pink, grey and charcoal banding — and when polished, those colours ignite into a glossy, high‑contrast pattern that collectors love.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e \u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eKey Features\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e \u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e• Precambrian Scottish origin — among the oldest rocks on Earth\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e• Beautiful metamorphic banding — quartz, feldspar and mica in flowing layers\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e• Polishes exceptionally well — colours deepen, patterns sharpen, and mica flecks catch the light\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e• Grounding energy — stability, resilience, ancient Earth connection\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e \u003c\/p\u003e\n\u003cp class=\"p2\"\u003e \u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eWhat You Receive\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e \u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e• 1kg rough lot of natural Lewisian Gneiss\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e• Mixed sizes, ideal for tumbling,polishing, carving, or display\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e• Ethically sourced, natural, unpolished texture\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e \u003c\/p\u003e\n\u003cp class=\"p2\"\u003e \u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eWhy Collectors Love It\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eO\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e• Unique patterns — every piece is different\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e• Perfect for polishing\u003cspan class=\"Apple-converted-space\"\u003e  \u003c\/span\u003e— transforms dramatically with a high shine\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e• A true piece of ancient Scottish geology\u003c\/span\u003e\u003c\/p\u003e","brand":"Shropshire Crystals Ltd","offers":[{"title":"Default Title","offer_id":57642101211518,"sku":null,"price":19.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0910\/5349\/0558\/files\/FullSizeRender_10cd8d77-d468-42ff-8849-540afd78f40b.jpg?v=1783164095","url":"https:\/\/shropshirecrystals.com\/products\/lewisian-gneiss-from-scotland-the-oldest-rock-in-the-uk-1kg-rough-lot-polishes-beautifully-20-60-mm","provider":"Shropshire Crystals Ltd","version":"1.0","type":"link"}