{"product_id":"moroccan-sand-stromatolite-pseudo-stromatolite-desert-concretion-20g","title":"Moroccan Sand Stromatolite Pseudo-Stromatolite Desert Concretion 20g","description":"\u003cp\u003eA fascinating natural Moroccan pseudo-stromatolite sand concretion, weighing approximately 20g.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eCommonly known within the mineral and fossil trade as a “Sand Stromatolite” or “Desert Onion”, these unusual Saharan formations are more accurately regarded as natural sandstone concretions rather than true fossil stromatolites.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eDespite its smaller size, this specimen has a particularly attractive concentric ring pattern, with several clearly defined circular layers surrounding a raised central formation.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWarm terracotta, sandy orange and reddish-brown tones run throughout the naturally rough, granular surface.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eDetails:\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e- Moroccan pseudo-stromatolite \/ sand concretion\u003c\/p\u003e\n\u003cp\u003e- Common trade name: Sand Stromatolite \/ Desert Onion\u003c\/p\u003e\n\u003cp\u003e- Natural, unpolished specimen\u003c\/p\u003e\n\u003cp\u003e- Distinct concentric ring formation\u003c\/p\u003e\n\u003cp\u003e- Weight: approximately 20g\u003c\/p\u003e\n\u003cp\u003e- Origin: Morocco\u003c\/p\u003e\n\u003cp\u003e- Exact specimen shown in the photographs\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eAs this is a completely natural geological formation, differences in surface texture, minor fissures, loose grains and natural weathering are to be expected and form part of its character.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e#7\u003c\/p\u003e","brand":"Clarke's Fusions","offers":[{"title":"Default Title","offer_id":47999195775107,"sku":null,"price":5.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/0432\/5507\/files\/IMG_20260825_203624.jpg?v=1787780164","url":"https:\/\/clarkesfusions.co.uk\/products\/moroccan-sand-stromatolite-pseudo-stromatolite-desert-concretion-20g","provider":"Clarke's Fusions ","version":"1.0","type":"link"}