{"id":1615,"date":"2024-06-20T19:16:11","date_gmt":"2024-06-20T19:16:11","guid":{"rendered":"http:\/\/www.e-gems.cz\/produkt\/upravovany-ametyst-citrin\/"},"modified":"2024-12-05T19:01:12","modified_gmt":"2024-12-05T17:01:12","slug":"upravovany-ametyst-citrin","status":"publish","type":"product","link":"https:\/\/www.e-gems.cz\/en\/produkt\/upravovany-ametyst-citrin\/","title":{"rendered":"Upravovan\u00fd ametyst, citr\u00edn"},"content":{"rendered":"<p>Nab\u00edzen\u00e9 dva kameny jsou vlastn\u011b oba p\u0159\u00edrodn\u00ed ametysty, z nich\u017e jeden byl tepeln\u011b upraven (vy\u017e\u00edh\u00e1n), t\u00edm mu byla um\u011ble zm\u011bn\u011bna barva z fialov\u00e9 na \u017elutou. Ametystov\u00e1 barva vznikne, jestli\u017ee \u017eelezo v k\u0159emeni je vystaveno v p\u0159\u00edrod\u011b slab\u00e9mu ionizuj\u00edc\u00edmu z\u00e1\u0159en\u00ed. Tento model p\u0159edpokl\u00e1d\u00e1, \u017ee gamma z\u00e1\u0159en\u00ed oxiduje FeIII na FeIV. Barva citr\u00ednu je zp\u016fsobena p\u0159\u00edtomnost\u00ed FeIII. Jestli\u017ee tedy chceme ud\u011blat z ametystu um\u011ble citr\u00edn, je t\u0159eba, abychom \u017eelezo zp\u011bt zredukovali na pouze FeIII. To se dosahuje pr\u00e1v\u011b \u017e\u00edh\u00e1n\u00edm p\u0159i teplot\u011b mezi 380 \u2013 420\u00b0C. Tyto dva vzorky jsou ur\u010deny do sb\u00edrky imitac\u00ed a &#8216;trik\u016f&#8217; s drah\u00fdmi kameny. Tento typ sb\u00edrek pot\u0159ebuje ke sv\u00e9 pr\u00e1ci ka\u017ed\u00fd gemolog, kter\u00fd se v\u011bnuje identifikaci drah\u00fdch kamen\u016f z v\u011bdeck\u00e9ho hlediska. Obecn\u011b srovn\u00e1vac\u00ed vzorky slou\u017e\u00ed k natr\u00e9nov\u00e1n\u00ed dovednost\u00ed, kter\u00e9 pak jsou vyu\u017e\u00edv\u00e1ny v praxi. Foto nab\u00edzen\u00fdch kamen\u016f je pouze ilustrativn\u00ed, skute\u010dn\u00e1 velikost kamen\u016f je okolo 1 ct (1 ks). Tato velikost je optim\u00e1ln\u00ed pro komfortn\u00ed pr\u00e1ci s lupou i mikroskopem.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Nab\u00edzen\u00e9 dva kameny jsou vlastn\u011b oba p\u0159\u00edrodn\u00ed ametysty, z nich\u017e jeden byl tepeln\u011b upraven (vy\u017e\u00edh\u00e1n), t\u00edm mu byla um\u011ble zm\u011bn\u011bna barva z fialov\u00e9 na \u017elutou. Ametystov\u00e1 barva vznikne, jestli\u017ee \u017eelezo v k\u0159emeni je vystaveno v p\u0159\u00edrod\u011b slab\u00e9mu ionizuj\u00edc\u00edmu z\u00e1\u0159en\u00ed. Tento model p\u0159edpokl\u00e1d\u00e1, \u017ee gamma z\u00e1\u0159en\u00ed oxiduje FeIII na FeIV. Barva citr\u00ednu je zp\u016fsobena p\u0159\u00edtomnost\u00ed FeIII. [&hellip;]<\/p>\n","protected":false},"featured_media":1614,"template":"","meta":{"_acf_changed":false,"inline_featured_image":false},"product_brand":[],"product_cat":[212],"product_tag":[],"class_list":["post-1615","product","type-product","status-publish","has-post-thumbnail","product_cat-synteticke-kameny-pro-gemology","first","instock","shipping-taxable","purchasable","product-type-simple"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.e-gems.cz\/en\/wp-json\/wp\/v2\/product\/1615","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\/1614"}],"wp:attachment":[{"href":"https:\/\/www.e-gems.cz\/en\/wp-json\/wp\/v2\/media?parent=1615"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.e-gems.cz\/en\/wp-json\/wp\/v2\/product_brand?post=1615"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.e-gems.cz\/en\/wp-json\/wp\/v2\/product_cat?post=1615"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.e-gems.cz\/en\/wp-json\/wp\/v2\/product_tag?post=1615"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}