{"id":20553,"date":"2020-01-31T15:44:51","date_gmt":"2020-01-31T14:44:51","guid":{"rendered":"http:\/\/www.modrastijena.com\/?p=3036"},"modified":"2023-12-12T23:32:50","modified_gmt":"2023-12-12T23:32:50","slug":"kamen-quartz-vladar-kuhinja","status":"publish","type":"post","link":"https:\/\/modrastijena.com\/hr\/blog\/2020\/01\/31\/kamen-quartz-vladar-kuhinja\/","title":{"rendered":"Kamen quartz vladar kuhinja"},"content":{"rendered":"\r\n<p>Saznajmo i za\u0161to je kamen quartz preuzeo vode\u0107u ulogu u oblaganju radnih plo\u010da.<\/p>\r\n\r\n\r\n\r\n<p>Kako bismo bolje razumjeli ovaj kamen pogledajmo njegov sastav i tvrdo\u0107u. Nastao je industrijskim putem i spada u skupinu umjetno dobivenog kamena. Sastoji se 95% od prirodnog kamenog granulata na bazi quartza i 5% poliesterske smole i punila.<\/p>\r\n\r\n\r\n\r\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" class=\"wp-image-3040\" src=\"http:\/\/www.modrastijena.com\/wp-content\/uploads\/sites\/4\/2020\/01\/Quartz_Carrara_Ljubuski.jpg\" alt=\"\" \/><a href=\"https:\/\/modrastijena.com\/hr\/wp-content\/uploads\/sites\/4\/Quartz_Carrara_Ljubuski.webp\"><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-full wp-image-24633\" src=\"https:\/\/modrastijena.com\/hr\/wp-content\/uploads\/sites\/4\/Quartz_Carrara_Ljubuski.webp\" alt=\"\" width=\"1024\" height=\"768\" srcset=\"https:\/\/modrastijena.com\/hr\/wp-content\/uploads\/sites\/4\/Quartz_Carrara_Ljubuski.webp 1024w, https:\/\/modrastijena.com\/hr\/wp-content\/uploads\/sites\/4\/Quartz_Carrara_Ljubuski-768x576.webp 768w, https:\/\/modrastijena.com\/hr\/wp-content\/uploads\/sites\/4\/Quartz_Carrara_Ljubuski-600x450.webp 600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\r\n\r\n\r\n\r\n<p>Za utvr\u0111ivanje tvr\u0111o\u0107e koristimo <em>Mosovu skalu<\/em> ili <em>Mohsovu ljestvicu<\/em>. Predstavlja niz od deset minerala poredanih po tvrdo\u0107i koji se koristi za procjenu relativne tvrdo\u0107e drugih minerala ili tvari.<\/p>\r\n\r\n\r\n\r\n<p>Ovu ljestvicu je prvi predlo\u017eio njema\u010dki mineralog Frederich Mohs (1773.\u20131839.) izabrav\u0161i deset dostupnih minerala. Ljestvica nije pravocrtna: tvrdo\u0107a dijamanta nije deset puta ve\u0107a od tvrdo\u0107e talka (dijamant je mnogo tvr\u0111i). Mineral koji je &#8220;vi\u0161i&#8221; u Mohsovoj ljestvici ima i ve\u0107u tvrdo\u0107u. Ako ispitivana tvar mo\u017ee zarezati povr\u0161inu minerala iz Mohsove ljestvice, ona je tvr\u0111a od tog minerala.<\/p>\r\n\r\n\r\n\r\n<p><em>Mohsova ljestvica<\/em>:<\/p>\r\n\r\n\r\n\r\n<p>1\u00a0 Talk\u00a0 ili milovka\u00a0 Mg3Si4O10(OH)2\u00a0<\/p>\r\n\r\n\r\n\r\n<p>2\u00a0 Gips\u00a0 CaSO4\u00b72H2O\u00a0 \u00a0<\/p>\r\n\r\n\r\n\r\n<p>3\u00a0 Kalcit\u00a0 CaCO3\u00a0 \u00a0<\/p>\r\n\r\n\r\n\r\n<p>4\u00a0 Fluorit\u00a0 CaF2\u00a0 \u00a0<\/p>\r\n\r\n\r\n\r\n<p>5\u00a0 Apatit\u00a0 Ca5(PO4)3(OH\u2013,Cl\u2013,F\u2013)\u00a0\u00a0<\/p>\r\n\r\n\r\n\r\n<p>6\u00a0 Ortoklas\u00a0 KAlSi3O8\u00a0 72\u00a0 \u00a0\u00a0<\/p>\r\n\r\n\r\n\r\n<p>7\u00a0 Kvarc\u00a0 SiO2\u00a0 \u00a0<\/p>\r\n\r\n\r\n\r\n<p>8\u00a0 Topaz\u00a0 Al2SiO4(OH\u2013,F\u2013)\u00a0<\/p>\r\n\r\n\r\n\r\n<p>9\u00a0 Korund\u00a0 Al2O3\u00a0 \u00a0<\/p>\r\n\r\n\r\n\r\n<p>10\u00a0 Dijamant\u00a0<\/p>\r\n\r\n\r\n\r\n<p>Tako bi na Mohsovoj ljestvici grafit (jezgra olovke za pisanje) imao tvrdo\u0107u 1,5; nokat na na\u0161im prstima od 2,2 \u2013 2,5; bakrena kovanica (nov\u010di\u0107) 3,2 \u2013 3,5; d\u017eepni no\u017ei\u0107 5,1; o\u0161trica kuhinjskog no\u017ea 5,5; staklo na prozorima 5,5; \u010deli\u010dna turpija 6,5; porculan bez glazure 7,0.<\/p>\r\n\r\n\r\n\r\n<p>Quartzne plo\u010de imaju vrhunska mehani\u010dka svojstva. Otporne su na o\u0161te\u0107enja, ogrebotine i udarce, a tvrdo\u0107a (7 po Mohsovoj skali) im je ve\u0107a nego kod granita.<\/p>\r\n\r\n\r\n\r\n<p>Povr\u0161ine su im neporozne i neupojne, \u0161to je osobito va\u017eno ako se prolije kava, vino ili ulje. Najve\u0107a prednost ovih plo\u010da je njihova dugotrajnost. Jednom ulo\u017een novac u njih postaje dobra investicija jer godinama pru\u017eaju izgled i o\u010duvanost kao i prvog dana.<\/p>\r\n\r\n\r\n\r\n<p>Sada Vam je sigurno jasno za\u0161to preporu\u010dujemo kamen quartz kao izbor za radnu plo\u010du u kuhinji ili kupaonici. Quartz postaje neizbje\u017ean sudionik kod opremanja suvremenih interijera jer nudi postojan materijal u velikim formatima .<\/p>\r\n\r\n\r\n\r\n<p>Me\u0111utim sve \u0161to je dobro treba \u010duvati. Nijedan materijal nije potpuno otporan na ogrebotine i upijanje pa tako i kamenom quartzom treba oprezno rukovati.<\/p>\r\n","protected":false},"excerpt":{"rendered":"<p>Saznajmo i za\u0161to je kamen quartz preuzeo vode\u0107u ulogu u oblaganju radnih plo\u010da. Kako bismo bolje razumjeli ovaj kamen pogledajmo njegov sastav i tvrdo\u0107u. Nastao je industrijskim putem i spada u skupinu umjetno dobivenog kamena. Sastoji se 95% od prirodnog kamenog granulata na bazi quartza i 5% poliesterske smole i punila. Za utvr\u0111ivanje tvr\u0111o\u0107e koristimo [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":24632,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[636],"tags":[],"class_list":["post-20553","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-inspiracija-i-savjeti"],"acf":[],"_links":{"self":[{"href":"https:\/\/modrastijena.com\/hr\/wp-json\/wp\/v2\/posts\/20553","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/modrastijena.com\/hr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/modrastijena.com\/hr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/modrastijena.com\/hr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/modrastijena.com\/hr\/wp-json\/wp\/v2\/comments?post=20553"}],"version-history":[{"count":1,"href":"https:\/\/modrastijena.com\/hr\/wp-json\/wp\/v2\/posts\/20553\/revisions"}],"predecessor-version":[{"id":24634,"href":"https:\/\/modrastijena.com\/hr\/wp-json\/wp\/v2\/posts\/20553\/revisions\/24634"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/modrastijena.com\/hr\/wp-json\/wp\/v2\/media\/24632"}],"wp:attachment":[{"href":"https:\/\/modrastijena.com\/hr\/wp-json\/wp\/v2\/media?parent=20553"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/modrastijena.com\/hr\/wp-json\/wp\/v2\/categories?post=20553"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/modrastijena.com\/hr\/wp-json\/wp\/v2\/tags?post=20553"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}