{"title":"Ammonite","description":"\u003cp data-start=\"0\" data-end=\"155\"\u003eL’ammonite è un animale marino fossile emblematico, molto noto per la sua conchiglia a forma di spirale.\u003c\/p\u003e\n\u003chr data-start=\"157\" data-end=\"160\"\u003e\n\u003ch3 data-start=\"162\" data-end=\"200\"\u003e🌊 \u003cstrong data-start=\"169\" data-end=\"200\"\u003eChe cos'è un'ammonite?\u003c\/strong\u003e\n\n\u003c\/h3\u003e\n\u003cp data-start=\"201\" data-end=\"446\"\u003eL’ammonite è un \u003cstrong data-start=\"219\" data-end=\"244\"\u003emollusco cefalopode\u003c\/strong\u003e (come i calamari e i polpi attuali) che ha vissuto nei mari tra \u003cstrong data-start=\"320\" data-end=\"359\"\u003ecirca 400 e 66 milioni di anni\u003c\/strong\u003e fa. È scomparsa insieme ai dinosauri, alla fine del Cretaceo.\u003c\/p\u003e\n\u003chr data-start=\"448\" data-end=\"451\"\u003e\n\u003ch3 data-start=\"453\" data-end=\"494\"\u003e🐚 \u003cstrong data-start=\"460\" data-end=\"494\"\u003eCaratteristiche dell’ammonite\u003c\/strong\u003e\n\n\u003c\/h3\u003e\n\u003cul data-start=\"495\" data-end=\"985\"\u003e\n\n\u003cli data-start=\"495\" data-end=\"637\"\u003e\n\n\u003cp data-start=\"497\" data-end=\"637\"\u003e\u003cstrong data-start=\"497\" data-end=\"518\"\u003eConchiglia spiralata\u003c\/strong\u003e: È la parte più nota. È generalmente piatta e avvolta a spirale, con compartimenti interni.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"638\" data-end=\"781\"\u003e\n\n\u003cp data-start=\"640\" data-end=\"781\"\u003e\u003cstrong data-start=\"640\" data-end=\"665\"\u003eCompartimenti (camere)\u003c\/strong\u003e: L’animale viveva nell'ultima camera; le altre servivano a regolare il galleggiamento grazie a un sistema di gas.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"782\" data-end=\"900\"\u003e\n\n\u003cp data-start=\"784\" data-end=\"900\"\u003e\u003cstrong data-start=\"784\" data-end=\"794\"\u003eDimensioni\u003c\/strong\u003e: Le dimensioni variavano da pochi centimetri a oltre 2 metri di diametro per le specie più grandi.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"901\" data-end=\"985\"\u003e\n\n\u003cp data-start=\"903\" data-end=\"985\"\u003e\u003cstrong data-start=\"903\" data-end=\"918\"\u003eStile di vita\u003c\/strong\u003e: Carnivora, catturava piccoli animali con i suoi tentacoli.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003chr data-start=\"987\" data-end=\"990\"\u003e\n\u003ch3 data-start=\"992\" data-end=\"1026\"\u003e🦕 \u003cstrong data-start=\"999\" data-end=\"1026\"\u003eEvoluzione ed estinzione\u003c\/strong\u003e\n\n\u003c\/h3\u003e\n\u003cul data-start=\"1027\" data-end=\"1412\"\u003e\n\n\u003cli data-start=\"1027\" data-end=\"1127\"\u003e\n\n\u003cp data-start=\"1029\" data-end=\"1127\"\u003eLe ammoniti si sono evolute molto rapidamente, dando origine a una moltitudine di specie diverse.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1128\" data-end=\"1239\"\u003e\n\n\u003cp data-start=\"1130\" data-end=\"1239\"\u003eCiò le rende degli eccellenti \u003cstrong data-start=\"1161\" data-end=\"1190\"\u003efossili guida\u003c\/strong\u003e, molto utili per datare gli strati geologici.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1240\" data-end=\"1412\"\u003e\n\n\u003cp data-start=\"1242\" data-end=\"1412\"\u003eSi sono estinte \u003cstrong data-start=\"1265\" data-end=\"1308\"\u003edurante la grande estinzione del Cretaceo\u003c\/strong\u003e, probabilmente a causa di una combinazione di un impatto meteoritico e rapidi cambiamenti climatici.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003chr data-start=\"1414\" data-end=\"1417\"\u003e\n\u003ch3 data-start=\"1419\" data-end=\"1450\"\u003e🪨 \u003cstrong data-start=\"1426\" data-end=\"1450\"\u003eFossili di ammonite\u003c\/strong\u003e\n\n\u003c\/h3\u003e\n\u003cul data-start=\"1451\" data-end=\"1739\"\u003e\n\n\u003cli data-start=\"1451\" data-end=\"1533\"\u003e\n\n\u003cp data-start=\"1453\" data-end=\"1533\"\u003eSi ritrovano spesso nelle \u003cstrong data-start=\"1486\" data-end=\"1510\"\u003erocce sedimentarie\u003c\/strong\u003e, in tutto il mondo.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1534\" data-end=\"1620\"\u003e\n\n\u003cp data-start=\"1536\" data-end=\"1620\"\u003eAlcune sono eccezionalmente ben conservate, talvolta con una conchiglia madreperlacea.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1621\" data-end=\"1739\"\u003e\n\n\u003cp data-start=\"1623\" data-end=\"1739\"\u003eAltre sono state \u003cstrong data-start=\"1640\" data-end=\"1654\"\u003epiritizzate\u003c\/strong\u003e (riempite di pirite, o \"oro degli stolti\"), il che conferisce loro un aspetto metallico dorato.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003chr data-start=\"1741\" data-end=\"1744\"\u003e\n\u003ch3 data-start=\"1746\" data-end=\"1765\"\u003e🔍 Curiosità\u003c\/h3\u003e\n\u003cp data-start=\"1766\" data-end=\"1905\"\u003eIl nome \u003cstrong data-start=\"1773\" data-end=\"1787\"\u003e\"ammonite\"\u003c\/strong\u003e deriva dal dio egizio \u003cstrong data-start=\"1811\" data-end=\"1820\"\u003eAmon\u003c\/strong\u003e, spesso rappresentato con corna a spirale, simili alla conchiglia dell'animale.\u003c\/p\u003e","products":[{"product_id":"pendentif-ammonite-madagascar-a-acier-inoxydable","title":"Pendente ammonite Madagascar A","description":"\u003cp\u003ePEN-AMM0-01\u003cbr\u003eOrigine: Madagascar\u003cbr\u003eGrado: A\u003c\/p\u003e\n\u003cdiv style=\"font-family: Verdana, 'DejaVu Sans', 'Bitstream Vera Sans', Geneva, sans-serif;\"\u003e\u003cspan style=\"color: #000000; font-size: 12px; font-weight: bold;\"\u003e\u003cspan class=\"PBMainTxt\"\u003eDimensioni:\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-family: Verdana, 'DejaVu Sans', 'Bitstream Vera Sans', Geneva, sans-serif;\"\u003eCirca 35-45mm\u003cbr\u003e\n\n\u003c\/div\u003e\n\u003cdiv style=\"font-family: Verdana, 'DejaVu Sans', 'Bitstream Vera Sans', Geneva, sans-serif;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-family: Verdana, 'DejaVu Sans', 'Bitstream Vera Sans', Geneva, sans-serif;\"\u003e\u003cspan class=\"PBMainTxt\"\u003e\u003cstrong\u003ePeso\u003c\/strong\u003e:\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-family: Verdana, 'DejaVu Sans', 'Bitstream Vera Sans', Geneva, sans-serif;\"\u003eCirca 10g\u003c\/div\u003e\n\u003cdiv style=\"font-family: Verdana, 'DejaVu Sans', 'Bitstream Vera Sans', Geneva, sans-serif;\"\u003e\n\n\u003cbr\u003e\n\u003cdiv style=\"font-family: Verdana,;\"\u003e\u003cspan class=\"PBMainTxt\"\u003e\u003cstrong\u003eOrigine\u003c\/strong\u003e:\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv style=\"font-family: Verdana,;\"\u003eMadagascar\u003cbr\u003e\n\n\u003c\/div\u003e\n\n\u003cdiv style=\"font-family: Verdana,;\"\u003e\u003c\/div\u003e\n\n\u003cdiv style=\"font-family: Verdana,;\"\u003e\u003cspan class=\"PBMainTxt\"\u003e\u003cstrong\u003eGrado\u003c\/strong\u003e:\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv style=\"font-family: Verdana,;\"\u003eA = buona\u003c\/div\u003e\n\n\u003cdiv style=\"font-family: Verdana,;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\n\u003cdiv style=\"font-family: Verdana,;\"\u003eBellissimo ciondolo composto da un'ammonite del Madagascar di circa 30mm x 20mm.\u003c\/div\u003e\n\n\u003cdiv style=\"font-family: Verdana,;\"\u003e\u003c\/div\u003e\n\n\u003cdiv style=\"font-family: Verdana,;\"\u003e\u003cspan style=\"font-size: 12px; font-family: arial, sans-serif;\"\u003eTrova le caratteristiche della pietra nella nostra rubrica dedicata qui:\u003cstrong\u003e\u003cbr\u003e\u003ca href=\"https:\/\/www.laboiteacailloux.com\/collections\/ammonite\"\u003ehttps:\/\/www.laboiteacailloux.com\/collections\/ammonite\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\n\u003c\/div\u003e","brand":"La Boite à Cailloux","offers":[{"title":"Default Title","offer_id":48791186145628,"sku":"PEN-AMMO-01","price":18.9,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0808\/8577\/6732\/files\/pendentif-ammonite-madagascar-a-5780291.jpg?v=1779738733"},{"product_id":"ammonite-nacree-madagascar-a","title":"Ammonite madreperlacea Madagascar A","description":"\u003cp\u003eAMMO-C-01\u003cbr\u003eOrigine: Madagascar\u003cbr\u003eGrado: A\u003c\/p\u003e\n\u003cdiv\u003e\u003cstrong\u003e\u003cspan class=\"PBMainTxt\"\u003eDimensioni:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-family: Verdana, 'DejaVu Sans', 'Bitstream Vera Sans', Geneva, sans-serif;\"\u003eCirca 25-40mm\u003cbr\u003e\u003cbr\u003e\n\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003e\u003cspan class=\"PBMainTxt\"\u003ePeso:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-family: Verdana, 'DejaVu Sans', 'Bitstream Vera Sans', Geneva, sans-serif;\"\u003eTra 10 e 25g\u003c\/div\u003e\n\u003cdiv\u003e\n\n\u003cbr\u003e\n\u003cdiv\u003e\u003cstrong\u003e\u003cspan class=\"PBMainTxt\"\u003eOrigine:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\n\u003cdiv style=\"font-family: Verdana,;\"\u003eMadagascar\u003cbr\u003e\u003cbr\u003e\n\n\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cstrong\u003e\u003cspan class=\"PBMainTxt\"\u003eGrado:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\n\u003cdiv style=\"font-family: Verdana,;\"\u003eA = buono\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\u003cdiv\u003eBellissima ammonite madreperlacea del Madagascar di circa 25-40mm.\u003cbr\u003eI motivi e i colori possono variare da una pietra all'altra.\u003c\/div\u003e\n\u003cdiv\u003e\n\n\u003cspan style=\"font-size: 12px;\"\u003e\u003cbr\u003e\u003c\/span\u003e100 milioni di anni (Cretaceo)\u003c\/div\u003e\n\u003cdiv\u003eOrigine: Majunga\/Madagascar\u003cbr\u003eNome: Cleoniceras besairiei\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 12px; font-family: arial, sans-serif;\"\u003eScopri le caratteristiche della pietra nella nostra rubrica dedicata qui:\u003cstrong\u003e\u003cbr\u003e\u003ca href=\"https:\/\/www.laboiteacailloux.com\/collections\/ammonite\"\u003ehttps:\/\/www.laboiteacailloux.com\/collections\/ammonite\u003c\/a\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-family: Verdana, 'DejaVu Sans', 'Bitstream Vera Sans', Geneva, sans-serif;\"\u003e\u003c\/div\u003e","brand":"La Boite à Cailloux","offers":[{"title":"Default Title","offer_id":48791515627868,"sku":"AMMO-C-01","price":14.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0808\/8577\/6732\/files\/ammonite-nacree-madagascar-a-8941256.jpg?v=1779715394"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0808\/8577\/6732\/collections\/ammonite-1137129.jpg?v=1779712091","url":"https:\/\/www.laboiteacailloux.com\/it\/collections\/ammonite.oembed","provider":"La Boite à Cailloux","version":"1.0","type":"link"}