[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.peteroravec.sk\/nalez-noveho-najtvrdsieho-mineralu-prepise-ucebnice-diamant-ma-konkurenta\/#Article","mainEntityOfPage":"https:\/\/www.peteroravec.sk\/nalez-noveho-najtvrdsieho-mineralu-prepise-ucebnice-diamant-ma-konkurenta\/","headline":"N\u00e1lez nov\u00e9ho najtvrd\u0161ieho miner\u00e1lu prep\u00ed\u0161e u\u010debnice. Diamant m\u00e1 konkurenta.","name":"N\u00e1lez nov\u00e9ho najtvrd\u0161ieho miner\u00e1lu prep\u00ed\u0161e u\u010debnice. Diamant m\u00e1 konkurenta.","description":"Doned\u00e1vna e\u0161te panoval v\u0161eobecne zn\u00e1my n\u00e1zor, \u017ee diamant je najtvrd\u0161\u00ed miner\u00e1l na Zemi a\u00a0\u017ee tento titul si udr\u017e\u00ed aj na\u010falej,","datePublished":"2018-12-22","dateModified":"2023-04-25","author":{"@type":"Person","@id":"https:\/\/www.peteroravec.sk\/author\/#Person","name":"","url":"https:\/\/www.peteroravec.sk\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/e2bc6fe70dccf39a55c73bbd7bca9ee949cec8871fdab6d0b20905b7ccca14f3?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/e2bc6fe70dccf39a55c73bbd7bca9ee949cec8871fdab6d0b20905b7ccca14f3?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"peteroravec.sk","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.peteroravec.sk\/wp-content\/uploads\/img_a297175_w2017_t1550849865.jpg","url":"https:\/\/www.peteroravec.sk\/wp-content\/uploads\/img_a297175_w2017_t1550849865.jpg","height":0,"width":0},"url":"https:\/\/www.peteroravec.sk\/nalez-noveho-najtvrdsieho-mineralu-prepise-ucebnice-diamant-ma-konkurenta\/","about":["Z\u00e1bava"],"wordCount":431,"articleBody":"Doned\u00e1vna e\u0161te panoval v\u0161eobecne zn\u00e1my n\u00e1zor, \u017ee diamant je najtvrd\u0161\u00ed miner\u00e1l na Zemi a\u00a0\u017ee tento titul si udr\u017e\u00ed aj na\u010falej, ale v\u0161etko to vyvr\u00e1til n\u00e1lez \u201ekarmeltazitu\u201c. Vedci zistili, \u017ee je e\u0161te tvrd\u0161\u00ed ako diamant, a hoci ho poznaj\u00fa u\u017e p\u00e1r rokov, na na\u0161ej plan\u00e9te sa ho doposia\u013e nepodarilo n\u00e1js\u0165. Predpokladali toti\u017e, \u017ee sa nach\u00e1dza len vo vesm\u00edre.\u00a0N\u00e1lezisko v Izraeli\u0164a\u017eobn\u00e1 spolo\u010dnos\u0165 Shefa Yamim, ktor\u00e1 \u0165a\u017e\u00ed v\u00a0severnej \u010dasti Izraela, objavila tento miner\u00e1l e\u0161te za\u010diatkom janu\u00e1ra. Karmeltazit sa nach\u00e1dzal ne\u010faleko hory Carmel, odtia\u013e poch\u00e1dza aj jeho pomenovanie a\u00a0na\u0161li ho v\u00a0zajat\u00ed zaf\u00edrov. Zauj\u00edmavos\u0165ou s\u00fa v\u00fdznamy p\u00edsmen \u201e\u0165, a, z\u201c v\u00a0jeho n\u00e1zve a\u00a0vyjadruj\u00fa pr\u00edtomnos\u0165 prvkov v\u00a0tomto miner\u00e1le, ako je tit\u00e1n, hlin\u00edk a\u00a0zirk\u00f3nium.Prevratn\u00fd objav na ZemiVzh\u013eadom sa tento nov\u00fd miner\u00e1l podob\u00e1 na zaf\u00edr, ale jeho chemick\u00e9 zlo\u017eenie je podobn\u00e9 rub\u00ednu. Doposia\u013e sa ho vedcom podarili n\u00e1js\u0165 len vo vesm\u00edre a\u00a0v\u0161eobecne sa predpokladalo, \u017ee na Zemi nie je pr\u00edtomn\u00fd. Tento objav v\u0161ak t\u00fato te\u00f3riu vyvr\u00e1til.\u00a0Mnoho farebn\u00fdch odtie\u0148ovKarmeltazit je charakteristick\u00fd viacer\u00fdmi farbami, m\u00f4\u017ee by\u0165 \u010dierny, zelen\u00fd \u010di modr\u00fd a\u017e po odtiene hnedej a\u00a0oran\u017eovej. Jeho vznik sa datuje do obdobia asi pred 140 a\u017e 160 mili\u00f3nmi rokov, teda do obdobia kriedy, kedy na zemi prebiehala vulkanick\u00e1 \u010dinnos\u0165. Na mieste, kde bol n\u00e1jden\u00fd, v\u00a0okol\u00ed hory Carmel, v\u00a0tom \u010dase vl\u00e1dli dinosaury a\u00a0l\u00e1va tam vyvierala minim\u00e1lne na desiatich miestach.\u00a0Na trhu ho e\u0161te nen\u00e1jdeteNajv\u00e4\u010d\u0161\u00ed miner\u00e1l, ktor\u00fd bol doposia\u013e n\u00e1jden\u00fd, v\u00e1\u017eil 33,3 kar\u00e1tu, \u010do je pribli\u017ene 6,6 gramu. Verejnosti bol predstaven\u00fd ako \u201ekarmelsk\u00fd zaf\u00edr“, ale o\u00a0tomto n\u00e1zve polemizovali v\u00a0Komisii pre nov\u00e9 miner\u00e1ly, ktor\u00fa zalo\u017eila Medzin\u00e1rodn\u00e1 mineralogick\u00e1 spolo\u010dnos\u0165 a\u00a0t\u00e1 napokon rozhodla, \u017ee n\u00e1lez tohto nov\u00e9ho miner\u00e1lu si nezasl\u00fa\u017ei pomenovanie \u201ezaf\u00edr\u201c. Karmeltazit sa vyzna\u010duje nielen svojou tvrdos\u0165ou, ale aj cenou, je ove\u013ea drah\u0161\u00ed ako diamant, preto\u017ee moment\u00e1lne je to unik\u00e1t a\u00a0nem\u00e1 konkurenciu. Firma Shefa Yamim sa rozhodla, \u017ee zatia\u013e ho na trh neuvedie, lebo \u010dak\u00e1 na n\u00e1jdenie \u010fal\u0161\u00edch lo\u017e\u00edsk.Na svete existuje zoznam Medzin\u00e1rodnej mineralogickej spolo\u010dnosti, kde ro\u010dne pribudne pribli\u017ene asi 100 nov\u00fdch a ofici\u00e1lne je zdokumentovan\u00fdch takmer 5500 miner\u00e1lov.                                                                                                                                                                                                                                                                                                                                                                                        4.1\/5 - (8 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"N\u00e1lez nov\u00e9ho najtvrd\u0161ieho miner\u00e1lu prep\u00ed\u0161e u\u010debnice. 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