{"id":1397,"date":"2017-09-13T10:42:42","date_gmt":"2017-09-13T08:42:42","guid":{"rendered":"https:\/\/fornacecottoantico.it\/le-componenti-che-rendono-le-nostre-crete-cosi-diverse-fra-loro\/"},"modified":"2018-10-16T16:22:09","modified_gmt":"2018-10-16T14:22:09","slug":"the-colours-of-clay","status":"publish","type":"post","link":"https:\/\/fornacecottoantico.it\/en\/the-colours-of-clay\/","title":{"rendered":"Pink, Red, Yellow and White: The colours of Clay"},"content":{"rendered":"<h3>Italian S tile<\/h3>\n<p class=\"p2\"><span class=\"s1\">The difference between the colours of the clay we use is down to Mother Nature herself.<span class=\"Apple-converted-space\">\u00a0 <\/span>To explain why the clays have the colours they do, we need to take a short excursion into the realms of science.<span class=\"Apple-converted-space\">\u00a0 <\/span>As we have explained elsewhere on this site, the colour of the clay is dependent upon where it was excavated. <\/span><\/p>\n<p class=\"p2\"><span class=\"s1\">Let\u2019s start with our Tuscan clay: red and rose clays come from the same quarry in the province of Siena. They are taken from different depths. They are low in aluminium, but rich in iron. The iron is trivalent, meaning that the particles are bound together through the exchange of three electrons. This element gives the clay its red colour. <\/span><\/p>\n<p class=\"p2\"><span class=\"s1\">Yellow clay (called Ilite) comes from the Lazio region. It has an unusual colour which changes during the firing process. It\u2019s fascinating to watch the shades change with the flames on the brick. The base colour is light, due to the presence of copper compounds.<\/span><\/p>\n<p class=\"p2\"><span class=\"s1\">Finally, we have white clay, also known as Caolino, which is made of of 20% aluminium and 60% silica compounds.<\/span><\/p>\n<p><a href=\"https:\/\/fornacecottoantico.it\/en\/products\/\" target=\"_blank\" rel=\"noopener\">Visit our gallery<\/a><\/p>\n<p class=\"p1\"><span class=\"s1\">Should you have any questions, please don\u2019t hesitate to contact us. <\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Italian S tile The difference between the colours of the clay we use is down to Mother Nature herself.\u00a0 To explain why the clays have the colours they do, we&#8230;<\/p>\n","protected":false},"author":1,"featured_media":1398,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[506],"tags":[],"class_list":{"0":"post-1397","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-blog-en"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Pink, Red, Yellow and White: The colours of Clay - Fornace Cotto Antico<\/title>\n<meta name=\"description\" content=\"La differenza di colore fra le crete da noi utilizzate non \u00e8 dovuta all&#039;aggiunta di coloranti, ma \u00a0\u00e8 la natura che ce le fornisce! 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