{"id":2563,"date":"2022-06-15T21:59:16","date_gmt":"2022-06-15T19:59:16","guid":{"rendered":"https:\/\/beta.svetkamene.eu\/?p=2563"},"modified":"2022-06-14T23:00:02","modified_gmt":"2022-06-14T21:00:02","slug":"felzit-novy-kamen-na-trhu","status":"publish","type":"post","link":"https:\/\/svetkamene.eu\/index.php\/cs\/2022\/06\/15\/felzit-novy-kamen-na-trhu\/","title":{"rendered":"FELZIT \u2013 NOV\u00dd K\u00c1MEN NA TRHU"},"content":{"rendered":"\n

Felzit je hydro-vulkanick\u00e1 hornina, kterou \u0159ad\u00edme mezi tufy. Jej\u00ed p\u016fvod nen\u00ed zcela objasn\u011bn. V\u011bt\u0161ina geolog\u016f se domn\u00edv\u00e1, \u017ee tento miner\u00e1l vznikl v d\u016fsledku podmo\u0159sk\u00fdch vulkanick\u00fdch proces\u016f. Podle n\u011bkter\u00fdch teori\u00ed lze p\u016fvod felzitu spat\u0159ovat v procesech vytv\u00e1\u0159en\u00fdch pyroklastick\u00fdmi tufy za sou\u010dasn\u00e9ho p\u016fsoben\u00ed hydroterm\u00e1ln\u00edch jev\u016f. Pozorov\u00e1n\u00ed pod mikroskopem odhalila v hornin\u011b zrnka miner\u00e1l\u016f obsahuj\u00edc\u00edch stopy mikrofauny mo\u0159sk\u00e9ho p\u016fvodu, co\u017e nasv\u011bd\u010duje tomu, \u017ee hornina vznikla v mo\u0159i.<\/p>\n\n\n\n

Felzit se t\u011b\u017e\u00ed mimo jin\u00e9 v Asii v oblasti Kavkazu. Jedn\u00e1 se o p\u0159edkvart\u00e9rn\u00ed usazeniny vyzna\u010duj\u00edc\u00ed se velmi dobr\u00fdmi mechanicko-fyzik\u00e1ln\u00edmi vlastnostmi. Bylo provedeno n\u011bkolik pr\u016fzkumn\u00fdch vrt\u016f, kter\u00e9 umo\u017enily ur\u010dit barvu kamene. Podle hloubky ulo\u017een\u00ed horniny m\u016f\u017eeme postupn\u011b rozli\u0161ovat t\u0159i z\u00e1kladn\u00ed typy: \u017elut\u011b skvrnit\u00fd, sv\u011btle \u017elut\u00fd a b\u00edl\u00fd. Zaj\u00edmav\u00e9 jsou v\u00fdsledky zkou\u0161ek, kter\u00e9 prok\u00e1zaly, \u017ee hornina m\u00e1 bez ohledu na barvu prakticky toto\u017en\u00e9 mechanicko-fyzik\u00e1ln\u00ed vlastnosti.<\/p>\n\n\n\n

Vlastnosti felzitu jsou zaj\u00edmav\u00e9 pro stavebnictv\u00ed. N\u00edzk\u00e1 hustota usnad\u0148uje mont\u00e1\u017e p\u0159i pr\u00e1ci na fas\u00e1d\u00e1ch, materi\u00e1l je pln\u011b mrazuvzdorn\u00fd a m\u00e1 dostate\u010dn\u00e9 parametry co se t\u00fd\u010de pevnosti. Nav\u00edc se velmi snadno zpracov\u00e1v\u00e1.<\/p>\n\n\n\n

Felzit je v sou\u010dasn\u00e9 dob\u011b v Polsku k dispozici ve dvou barevn\u00fdch variant\u00e1ch: persk\u00e1 zlat\u00e1 a persk\u00e1 zelen\u00e1.<\/p>\n\n\n\n

\n
\"\"<\/figure>\n<\/figure>\n\n\n\n

Fyzik\u00e1ln\u011b-mechanick\u00e9 parametry:
\u2013 hustota \u2013 1970 kg\/m3<\/sup>
\u2013 absorpce vody \u2013 10,65 %
\u2013 pevnost v ohybu \u2013 9,8 MPa
\u2013 pevnost v tlaku \u2013 58 MPa
\u2013 otev\u0159en\u00e1 p\u00f3rovitost \u2013 19,9 %
\u2013 pokles pevnosti v ohybu po 25 cyklech zmrazen\u00ed \/ rozmrazen\u00ed \u2013 16,8 %
\u2013 mez pevnosti tr\u017en\u00e9ho zat\u00ed\u017een\u00ed v otvoru pro kol\u00edk \u2013 1400 N.<\/p>\n\n\n\n

Testy byly prov\u00e1d\u011bny ve Zku\u0161ebn\u00ed laborato\u0159i kamen\u016f a agreg\u00e1t\u016f
(um\u011bl\u00fdch kameniv) ve Strzegomi.<\/p>\n\n\n\n

<\/div>\n\n\n\n

Zdroj: Kurier kamieniarski<\/a><\/p>\n\n\n\n

Autor: Kurier Kamieniarski | Publikov\u00e1no: 09. kv\u011btna 2016<\/p>\n\n\n\n


<\/p>\n","protected":false},"excerpt":{"rendered":"

Felzit je hydro-vulkanick\u00e1 hornina, kterou \u0159ad\u00edme mezi tufy. Jej\u00ed p\u016fvod nen\u00ed zcela objasn\u011bn. V\u011bt\u0161ina geolog\u016f…<\/p>\n","protected":false},"author":18,"featured_media":2565,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0},"categories":[372],"tags":[],"yoast_head":"\nFELZIT \u2013 NOV\u00dd K\u00c1MEN NA TRHU - Sv\u011bt Kamene<\/title>\n<meta name=\"description\" content=\"Felzit je hydro-vulkanick\u00e1 hornina, kterou \u0159ad\u00edme mezi tufy.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.kurierkamieniarski.pl\/artykuly\/o-kamieniu\/582-felzyt-nowy-kamie-na-rynku.html\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"FELZIT \u2013 NOV\u00dd K\u00c1MEN NA TRHU - Sv\u011bt Kamene\" \/>\n<meta property=\"og:description\" content=\"Felzit je hydro-vulkanick\u00e1 hornina, kterou \u0159ad\u00edme mezi tufy.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.kurierkamieniarski.pl\/artykuly\/o-kamieniu\/582-felzyt-nowy-kamie-na-rynku.html\" \/>\n<meta property=\"og:site_name\" content=\"Sv\u011bt Kamene\" \/>\n<meta property=\"article:published_time\" content=\"2022-06-15T19:59:16+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-06-14T21:00:02+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/svetkamene.eu\/wp-content\/uploads\/2021\/01\/kk81_Strona_48_Obraz_0001-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"851\" \/>\n\t<meta property=\"og:image:height\" content=\"380\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Napsal(a)\" \/>\n\t<meta name=\"twitter:data1\" content=\"Kurier Kamieniarski\" \/>\n\t<meta name=\"twitter:label2\" content=\"Odhadovan\u00e1 doba \u010dten\u00ed\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minuty\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebSite\",\"@id\":\"https:\/\/svetkamene.eu\/#website\",\"url\":\"https:\/\/svetkamene.eu\/\",\"name\":\"Sv\u011bt Kamene\",\"description\":\"Port\u00e1l informuj\u00edc\u00ed o v\u0161em co souvis\u00ed s kamenem\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/svetkamene.eu\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"cs\"},{\"@type\":\"ImageObject\",\"inLanguage\":\"cs\",\"@id\":\"https:\/\/www.kurierkamieniarski.pl\/artykuly\/o-kamieniu\/582-felzyt-nowy-kamie-na-rynku.html#primaryimage\",\"url\":\"https:\/\/svetkamene.eu\/wp-content\/uploads\/2021\/01\/kk81_Strona_48_Obraz_0001-1.jpg\",\"contentUrl\":\"https:\/\/svetkamene.eu\/wp-content\/uploads\/2021\/01\/kk81_Strona_48_Obraz_0001-1.jpg\",\"width\":851,\"height\":380},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.kurierkamieniarski.pl\/artykuly\/o-kamieniu\/582-felzyt-nowy-kamie-na-rynku.html#webpage\",\"url\":\"https:\/\/www.kurierkamieniarski.pl\/artykuly\/o-kamieniu\/582-felzyt-nowy-kamie-na-rynku.html\",\"name\":\"FELZIT \u2013 NOV\u00dd K\u00c1MEN NA TRHU - 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