{"id":8949,"date":"2023-12-21T16:59:44","date_gmt":"2023-12-21T16:59:44","guid":{"rendered":"https:\/\/www.mineralitum.com\/?post_type=product&#038;p=8949"},"modified":"2023-12-21T17:39:14","modified_gmt":"2023-12-21T17:39:14","slug":"spar-usa-m0000271","status":"publish","type":"product","link":"https:\/\/www.mineralitum.com\/en\/product\/spar-usa-m0000271\/","title":{"rendered":"USA SPAR"},"content":{"rendered":"<p><strong>Iceland Spar<\/strong> of<strong> good size<\/strong>, considerable <strong>thickness<\/strong> and <strong>excellent transparency<\/strong>. A <strong>jewel<\/strong> to get it now! It comes from <strong>USA<\/strong>.<\/p>\n<p><strong>Iceland Spar<\/strong> is a variety of <strong>Calcite<\/strong> and has the optical property of <strong>birefringence<\/strong>, that is, it has double refraction. In the <strong>photos<\/strong> you can see this property excellently.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p><strong>Color:<\/strong> colorless<br \/>\n<strong>Dimensions (mm):<\/strong> 75x60x33<br \/>\n<strong>Origin:<\/strong> U.S.A.<\/p>\n","protected":false},"featured_media":8951,"template":"","meta":[],"product_cat":[44],"product_tag":[],"class_list":{"0":"post-8949","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-calcite","8":"first","9":"instock","10":"taxable","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/www.mineralitum.com\/en\/wp-json\/wp\/v2\/product\/8949","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.mineralitum.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.mineralitum.com\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.mineralitum.com\/en\/wp-json\/wp\/v2\/media\/8951"}],"wp:attachment":[{"href":"https:\/\/www.mineralitum.com\/en\/wp-json\/wp\/v2\/media?parent=8949"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.mineralitum.com\/en\/wp-json\/wp\/v2\/product_cat?post=8949"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.mineralitum.com\/en\/wp-json\/wp\/v2\/product_tag?post=8949"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}