Ussingit je pom\u011brn\u011b vz\u00e1cn\u00fd silik\u00e1t, kter\u00fd se vyzna\u010duje jemn\u00fdmi odst\u00edny b\u00edl\u00e9, r\u016f\u017eov\u00e9 a\u017e sv\u011btle fialov\u00e9 slab\u00fdm skeln\u00fdm a\u017e mastn\u00fdm leskem. Chemicky jde o sodno-hlin\u00edkov\u00fd silik\u00e1t s hydroxylovou skupinou (Na\u2082[OH|AlSi\u2083O\u2088]). Nej\u010dast\u011bji se vyskytuje v masivn\u00edch nebo jemn\u011b zrnit\u00fdch agreg\u00e1tech, p\u0159i\u010dem\u017e dob\u0159e vyvinut\u00e9 krystaly jsou extr\u00e9mn\u011b vz\u00e1cn\u00e9.<\/p>\n
Z hlediska v\u00fdskytu je ussingit typick\u00fdm miner\u00e1lem alkalick\u00fdch komplex\u016f, p\u0159edev\u0161\u00edm slavn\u00e9 lokality Il\u00edmaussaq v ji\u017en\u00edm Gr\u00f3nsku (oblast Narsaq), kter\u00e1 je jeho typovou lokalitou a odkud poch\u00e1z\u00ed i n\u00e1mi nab\u00edzen\u00fd kus. Ussingit se zde vyskytuje pom\u011brn\u011b hojn\u011b spolu s dal\u0161\u00edmi neobvykl\u00fdmi miner\u00e1ly, jako jsou nap\u0159. steenstrupin nebo eudialyt a dal\u0161\u00ed.<\/p>\n
Textura ussingitu b\u00fdv\u00e1 v\u011bt\u0161inou masivn\u00ed a\u017e jemnozrnn\u00e1, n\u011bkdy s homogenn\u00edm vzhledem, bez v\u00fdrazn\u00e9ho p\u00e1skov\u00e1n\u00ed. V n\u011bkter\u00fdch p\u0159\u00edpadech se m\u016f\u017ee objevit slab\u00e9 zbarven\u00ed do fialova, kter\u00e9 souvis\u00ed s p\u0159\u00edtomnost\u00ed specifick\u00fdch barevn\u00fdch center v krystalov\u00e9 struktu\u0159e. V nab\u00edzen\u00e9 kusu jsou velmi tenk\u00e9 \u017eilky, kter\u00e9 p\u0159ipom\u00ednaj\u00ed trhliny, nejedn\u00e1 se ale o trhliny v prav\u00e9m slova smyslu, ale pouze o barevn\u011b kontrastn\u00ed pro\u017eilky. Tento nab\u00edzen\u00fd kus m\u00e1 mimo\u0159\u00e1dn\u011b kvalitn\u00ed v\u00fdbrus. Velikost kamene je 8,83 x 6,90 mm, hloubka je 5,15 mm.<\/p>\n","protected":false},"excerpt":{"rendered":"
Ussingit je pom\u011brn\u011b vz\u00e1cn\u00fd silik\u00e1t, kter\u00fd se vyzna\u010duje jemn\u00fdmi odst\u00edny b\u00edl\u00e9, r\u016f\u017eov\u00e9 a\u017e sv\u011btle fialov\u00e9 slab\u00fdm skeln\u00fdm a\u017e mastn\u00fdm leskem. Chemicky jde o sodno-hlin\u00edkov\u00fd silik\u00e1t s hydroxylovou skupinou (Na\u2082[OH|AlSi\u2083O\u2088]). Nej\u010dast\u011bji se vyskytuje v masivn\u00edch nebo jemn\u011b zrnit\u00fdch agreg\u00e1tech, p\u0159i\u010dem\u017e dob\u0159e vyvinut\u00e9 krystaly jsou extr\u00e9mn\u011b vz\u00e1cn\u00e9. Z hlediska v\u00fdskytu je ussingit typick\u00fdm miner\u00e1lem alkalick\u00fdch komplex\u016f, p\u0159edev\u0161\u00edm […]<\/p>\n","protected":false},"featured_media":9739,"template":"","meta":{"_acf_changed":false,"inline_featured_image":false},"product_brand":[],"product_cat":[368],"product_tag":[],"class_list":["post-9752","product","type-product","status-publish","has-post-thumbnail","product_cat-ussingit","first","instock","shipping-taxable","purchasable","product-type-simple"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.e-gems.cz\/en\/wp-json\/wp\/v2\/product\/9752","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.e-gems.cz\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.e-gems.cz\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.e-gems.cz\/en\/wp-json\/wp\/v2\/media\/9739"}],"wp:attachment":[{"href":"https:\/\/www.e-gems.cz\/en\/wp-json\/wp\/v2\/media?parent=9752"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.e-gems.cz\/en\/wp-json\/wp\/v2\/product_brand?post=9752"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.e-gems.cz\/en\/wp-json\/wp\/v2\/product_cat?post=9752"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.e-gems.cz\/en\/wp-json\/wp\/v2\/product_tag?post=9752"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}