{"id":72,"count":1,"description":"Onyx is a cryptocrystalline form of quartz. The colors of its bands range from white to almost every color (save some shades, such as purple or blue). Commonly, specimens of onyx available contain bands of colors of white, tan, and brown.\r\nThe name has sometimes been used, incorrectly, to label other banded lapidary materials, such as banded calcite found in Mexico, Pakistan, and other places, and often carved, polished and sold. This material is much softer than true onyx, and much more readily available. The majority of carved items sold as 'onyx' today are this carbonate material.","link":"https:\/\/www.marmiregina.com\/category\/onyx\/","name":"Onyx","slug":"onyx","taxonomy":"category","parent":0,"meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Onyx Archivi - Marmi Regina<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.marmiregina.com\/en\/category\/onyx\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Onyx Archivi - Marmi Regina\" \/>\n<meta property=\"og:description\" content=\"Onyx is a cryptocrystalline form of quartz. The colors of its bands range from white to almost every color (save some shades, such as purple or blue). Commonly, specimens of onyx available contain bands of colors of white, tan, and brown. The name has sometimes been used, incorrectly, to label other banded lapidary materials, such as banded calcite found in Mexico, Pakistan, and other places, and often carved, polished and sold. This material is much softer than true onyx, and much more readily available. The majority of carved items sold as &#8216;onyx&#8217; today are this carbonate material.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.marmiregina.com\/en\/category\/onyx\/\" \/>\n<meta property=\"og:site_name\" content=\"Marmi Regina\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.marmiregina.com\/wp-content\/uploads\/2024\/09\/Logo_MR_2024.png\" \/>\n\t<meta property=\"og:image:width\" content=\"2000\" \/>\n\t<meta property=\"og:image:height\" content=\"2282\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"CollectionPage\",\"@id\":\"https:\/\/www.marmiregina.com\/en\/category\/onyx\/\",\"url\":\"https:\/\/www.marmiregina.com\/en\/category\/onyx\/\",\"name\":\"Onyx Archivi - Marmi Regina\",\"isPartOf\":{\"@id\":\"https:\/\/www.marmiregina.com\/it\/#website\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.marmiregina.com\/en\/category\/onyx\/#breadcrumb\"},\"inLanguage\":\"en-US\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.marmiregina.com\/en\/category\/onyx\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.marmiregina.com\/en\/homepage\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Onyx\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.marmiregina.com\/it\/#website\",\"url\":\"https:\/\/www.marmiregina.com\/it\/\",\"name\":\"Marmi Regina\",\"description\":\"Collecting beauty, realising dreams\",\"publisher\":{\"@id\":\"https:\/\/www.marmiregina.com\/it\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.marmiregina.com\/it\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.marmiregina.com\/it\/#organization\",\"name\":\"Marmi Regina\",\"url\":\"https:\/\/www.marmiregina.com\/it\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.marmiregina.com\/it\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.marmiregina.com\/wp-content\/uploads\/2024\/09\/Logo_MR_2024.png\",\"contentUrl\":\"https:\/\/www.marmiregina.com\/wp-content\/uploads\/2024\/09\/Logo_MR_2024.png\",\"width\":2000,\"height\":2282,\"caption\":\"Marmi Regina\"},\"image\":{\"@id\":\"https:\/\/www.marmiregina.com\/it\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/p\/Marmi-Regina-100048374036606\/?_rdr\",\"https:\/\/www.instagram.com\/marmiregina\/\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Onyx Archivi - Marmi Regina","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.marmiregina.com\/en\/category\/onyx\/","og_locale":"en_US","og_type":"article","og_title":"Onyx Archivi - Marmi Regina","og_description":"Onyx is a cryptocrystalline form of quartz. 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