{"id":1498,"date":"2018-10-10T08:26:27","date_gmt":"2018-10-10T08:26:27","guid":{"rendered":"https:\/\/aboutfoundry.com\/?p=1498"},"modified":"2026-08-27T11:25:48","modified_gmt":"2026-08-27T11:25:48","slug":"quartz","status":"publish","type":"post","link":"https:\/\/aboutfoundry.com\/en\/quartz\/","title":{"rendered":"Quartz"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Quartz is a fireproof material, which consists largely of silicon dioxide (SiO2). At 573 \u00b0C, low quartz transforms into high quartz (quartz inversion). This transformation involves a volume change and occurs rapidly in both directions. On cooling below 573 \u00b0C, the sintered layer therefore cracks; on heating, the cracks close again.\n<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Quartz is a fireproof material, which consists largely of silicon dioxide (SiO2). At 573 \u00b0C, low quartz transforms into high quartz (quartz inversion). This transformation involves a volume change and occurs rapidly in both directions. On cooling below 573 \u00b0C, the sintered layer therefore cracks; on heating, the cracks close again.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[2],"tags":[],"class_list":["post-1498","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"acf":{"adresse":"","telefon":"","e-mail":"","webseite":""},"_links":{"self":[{"href":"https:\/\/aboutfoundry.com\/en\/wp-json\/wp\/v2\/posts\/1498","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aboutfoundry.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aboutfoundry.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aboutfoundry.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aboutfoundry.com\/en\/wp-json\/wp\/v2\/comments?post=1498"}],"version-history":[{"count":3,"href":"https:\/\/aboutfoundry.com\/en\/wp-json\/wp\/v2\/posts\/1498\/revisions"}],"predecessor-version":[{"id":5859,"href":"https:\/\/aboutfoundry.com\/en\/wp-json\/wp\/v2\/posts\/1498\/revisions\/5859"}],"wp:attachment":[{"href":"https:\/\/aboutfoundry.com\/en\/wp-json\/wp\/v2\/media?parent=1498"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aboutfoundry.com\/en\/wp-json\/wp\/v2\/categories?post=1498"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aboutfoundry.com\/en\/wp-json\/wp\/v2\/tags?post=1498"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}