{"product_id":"moroccan-sand-stromatolite-pseudo-stromatolite-desert-concretion-50-65g","title":"Moroccan Sand Stromatolite Pseudo-Stromatolite Desert Concretion 50-65g","description":"\u003cp\u003eA fascinating natural Moroccan pseudo-stromatolite sand concretion, weighing approximately 50–65g each.\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\u003eEach piece has its own completely individual shape and pattern, with naturally formed concentric rings, raised centres and layered structures creating wonderfully organic designs across the surface.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWarm terracotta, reddish-brown and sandy orange tones run throughout, with a naturally rough granular texture.\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- Approximate weight: 50–65g each\u003c\/p\u003e\n\u003cp\u003e- Concentric ring and layered formations\u003c\/p\u003e\n\u003cp\u003e- Warm sandy orange \/ terracotta colouring\u003c\/p\u003e\n\u003cp\u003e- Origin: Morocco\u003c\/p\u003e\n\u003cp\u003e- One specimen supplied\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003ePlease note\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThis is a random selection listing, so the exact shape and pattern of the specimen received will vary.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eIf you particularly like one of the pieces shown in the photographs, please contact us before ordering and we will be happy to check whether that specific specimen is still available.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eAs these are completely natural geological formations, differences in shape, colour, surface texture, small fissures, loose grains and natural weathering are all to be expected.\u003c\/p\u003e","brand":"Clarke's Fusions","offers":[{"title":"Default Title","offer_id":47999176212611,"sku":null,"price":10.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/0432\/5507\/files\/IMG_20260825_202956.jpg?v=1787779862","url":"https:\/\/clarkesfusions.co.uk\/products\/moroccan-sand-stromatolite-pseudo-stromatolite-desert-concretion-50-65g","provider":"Clarke's Fusions ","version":"1.0","type":"link"}