Titanit (tak\u00e9 zn\u00e1m\u00fd jako sf\u00e9n, chemicky CaTiSiO\u2085) je k\u0159emi\u010ditan v\u00e1pn\u00edku a titanu, kter\u00fd pat\u0159\u00ed mezi vyhled\u00e1van\u00e9 sb\u011bratelsk\u00e9 miner\u00e1ly i m\u00e9n\u011b b\u011b\u017en\u00e9 drah\u00e9 kameny. Krystaluje v monoklinick\u00e9 soustav\u011b a typicky vytv\u00e1\u0159\u00ed kl\u00ednovit\u00e9 a\u017e tabulkovit\u00e9 krystaly se siln\u00fdm leskem a velmi vysokou disperz\u00ed sv\u011btla.<\/p>\n
Jednou z nejzn\u00e1m\u011bj\u0161\u00edch sv\u011btov\u00fdch lokalit kvalitn\u00edch krystal\u016f je Shigar Valley v severn\u00edm P\u00e1kist\u00e1nu odkud poch\u00e1z\u00ed i n\u00e1mi nab\u00edzen\u00fd kus.<\/p>\n
Shigar Valley se nach\u00e1z\u00ed v oblasti Gilgit-Baltist\u00e1n v severn\u00edm P\u00e1kist\u00e1nu nedaleko m\u011bsta Skardu v poho\u0159\u00ed Karakoram. \u00dadol\u00ed je dlouh\u00e9 asi 170 km a p\u0159edstavuje d\u016fle\u017eitou br\u00e1nu k nejvy\u0161\u0161\u00edm hor\u00e1m Karakoramu, v\u010detn\u011b oblasti K2.<\/p>\n
Geologicky jde o velmi slo\u017eitou oblast, kde se st\u00fdkaj\u00ed r\u016fzn\u00e9 tektonick\u00e9 jednotky pod\u00e9l Main Karakoram Thrust. V oblasti se nach\u00e1z\u00ed mno\u017estv\u00ed granitick\u00fdch pegmatit\u016f a alpsk\u00fdch \u017eil, kter\u00e9 jsou zdrojem mnoha miner\u00e1l\u016f a drah\u00fdch kamen\u016f.<\/p>\n
Titanity z t\u00e9to oblasti maj\u00ed nej\u010dast\u011bji \u017elutozelenou a\u017e olivov\u011b zelenou barvu \u010dasto s medov\u011b \u017elut\u00fdm a\u017e zlatav\u00fd odst\u00ednem. Barva souvis\u00ed s obsahem \u017eeleza \u2013 ni\u017e\u0161\u00ed obsah Fe vede k jasn\u011b zelen\u00fdm odst\u00edn\u016fm.<\/p>\n
Jeliko\u017e krystaly titanitu obecn\u011b maj\u00ed kl\u00ednovit\u00fd (\u201esphenoidn\u00ed\u201c) habitus (tvar), \u010dasto dvoj\u010dat\u00ed, je velmi slo\u017eit\u00e9 po brou\u0161en\u00ed z\u00edskat v\u011bt\u0161\u00ed kusy. Nab\u00edzen\u00fd titanit m\u00e1 velmi vysokou disperzi sv\u011btla (vy\u0161\u0161\u00ed ne\u017e diamant), siln\u00fd pleochroismus (zm\u011bna barvy podle sm\u011bru pozorov\u00e1n\u00ed). Tyto vlastnosti zp\u016fsobuj\u00ed, \u017ee brou\u0161en\u00fd titanit m\u00e1 mimo\u0159\u00e1dn\u011b v\u00fdrazn\u00fd \u201eohe\u0148\u201c. Velikost nab\u00edzen\u00e9ho kusu je 9,91 x 7,65 mm, hloubka 5,50 mm. Barva je zeleno\u017elut\u00e1.<\/p>\n","protected":false},"excerpt":{"rendered":"
Titanit (tak\u00e9 zn\u00e1m\u00fd jako sf\u00e9n, chemicky CaTiSiO\u2085) je k\u0159emi\u010ditan v\u00e1pn\u00edku a titanu, kter\u00fd pat\u0159\u00ed mezi vyhled\u00e1van\u00e9 sb\u011bratelsk\u00e9 miner\u00e1ly i m\u00e9n\u011b b\u011b\u017en\u00e9 drah\u00e9 kameny. Krystaluje v monoklinick\u00e9 soustav\u011b a typicky vytv\u00e1\u0159\u00ed kl\u00ednovit\u00e9 a\u017e tabulkovit\u00e9 krystaly se siln\u00fdm leskem a velmi vysokou disperz\u00ed sv\u011btla. Jednou z nejzn\u00e1m\u011bj\u0161\u00edch sv\u011btov\u00fdch lokalit kvalitn\u00edch krystal\u016f je Shigar Valley v severn\u00edm P\u00e1kist\u00e1nu […]<\/p>\n","protected":false},"featured_media":9643,"template":"","meta":{"_acf_changed":false,"inline_featured_image":false},"product_brand":[],"product_cat":[63],"product_tag":[],"class_list":["post-9642","product","type-product","status-publish","has-post-thumbnail","product_cat-titanit","first","instock","shipping-taxable","purchasable","product-type-simple"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.e-gems.cz\/en\/wp-json\/wp\/v2\/product\/9642","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\/9643"}],"wp:attachment":[{"href":"https:\/\/www.e-gems.cz\/en\/wp-json\/wp\/v2\/media?parent=9642"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.e-gems.cz\/en\/wp-json\/wp\/v2\/product_brand?post=9642"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.e-gems.cz\/en\/wp-json\/wp\/v2\/product_cat?post=9642"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.e-gems.cz\/en\/wp-json\/wp\/v2\/product_tag?post=9642"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}