"Porcelanit"@cs . . "porcelanitu"@cs . . . . . "matn\u00FD skeln\u00FD lesk,"@cs . . "2378"^^ . "Hornina"@cs . . "Porcelanit, n\u011Bkdy naz\u00FDvan\u00FD porcel\u00E1nov\u00FD jaspis, je hornina vznikl\u00E1 tepelnou p\u0159em\u011Bnou j\u00EDlovit\u00FDch a sl\u00EDnit\u00FDch hornin. V p\u0159\u00EDrod\u011B vznik\u00E1 na m\u00EDstech, kde se j\u00EDl dostane do styku se \u017Ehav\u00FDm magmatem, nebo vyp\u00E1len\u00EDm zemn\u00EDm po\u017E\u00E1rem (nap\u0159. p\u0159i vyho\u0159en\u00ED uheln\u00FDch sloj\u00ED). Jedn\u00E1 se v podstat\u011B o p\u0159\u00EDrodn\u00ED keramiku, ve kter\u00E9 p\u0159eva\u017Euje oxid k\u0159emi\u010Dit\u00FD. D\u00E1le obsahuje oxidy hlin\u00EDku, v\u00E1pn\u00EDku, \u017Eeleza a ho\u0159\u010D\u00EDku. Jeho barva je \u010Derven\u00E1, hn\u011Bdo\u010Derven\u00E1, hn\u011Bd\u00E1, namodrale \u0161ed\u00E1, oran\u017Eov\u00E1 a \u017Elut\u00E1."@cs . . "skoro a\u017E voskov\u00FD"@cs . . "porcelanit"@cs . . . "porcelanit\u016F"@cs . . "Porcelanit"@cs . "porcelanitem"@cs . "Porcelanit z lomu Bu\u010Dn\u00EDk u Komn\u011B"@cs . "15999081"^^ . "lasturnant\u00FD"@cs . "hn\u011Bd\u00E1, namodrale \u0161ed\u00E1,"@cs . . . "6.5"^^ . . . "SiO2" . . . "Porcelanit"@cs . . . . "porcelanity."@cs . . . "oran\u017Eov\u00E1, \u017Elut\u00E1"@cs . . "\u010Derven\u00E1, hn\u011Bdo\u010Derven\u00E1,"@cs . . . "SiO2"@cs . . . . . . . "114595"^^ . . "Porcelanit, n\u011Bkdy naz\u00FDvan\u00FD porcel\u00E1nov\u00FD jaspis, je hornina vznikl\u00E1 tepelnou p\u0159em\u011Bnou j\u00EDlovit\u00FDch a sl\u00EDnit\u00FDch hornin. V p\u0159\u00EDrod\u011B vznik\u00E1 na m\u00EDstech, kde se j\u00EDl dostane do styku se \u017Ehav\u00FDm magmatem, nebo vyp\u00E1len\u00EDm zemn\u00EDm po\u017E\u00E1rem (nap\u0159. p\u0159i vyho\u0159en\u00ED uheln\u00FDch sloj\u00ED). Jedn\u00E1 se v podstat\u011B o p\u0159\u00EDrodn\u00ED keramiku, ve kter\u00E9 p\u0159eva\u017Euje oxid k\u0159emi\u010Dit\u00FD. D\u00E1le obsahuje oxidy hlin\u00EDku, v\u00E1pn\u00EDku, \u017Eeleza a ho\u0159\u010D\u00EDku. Jeho barva je \u010Derven\u00E1, hn\u011Bdo\u010Derven\u00E1, hn\u011Bd\u00E1, namodrale \u0161ed\u00E1, oran\u017Eov\u00E1 a \u017Elut\u00E1. M\u00E1 matn\u00FD skeln\u00FD lesk, skoro a\u017E voskov\u00FD, a jeho tvrdost je 6,5\u20137,0. Jedn\u00E1 se o horninu kontaktn\u00ED metamorf\u00F3zy. Vyskytuje se nap\u0159. v Medlovick\u00E9m lomu na Uherskohradi\u0161\u0165sku, v Kutn\u00E9 Ho\u0159e nebo na ostravsk\u00E9 hald\u011B Ema.Erdbrand je n\u00E1zev pou\u017E\u00EDvan\u00FD na Mostecku pro porcelanit vznikl\u00FD z nadlo\u017En\u00EDch j\u00EDl\u016F p\u016Fsoben\u00EDm po\u017E\u00E1ru uheln\u00FDch sloj\u00ED. N\u00E1zev poch\u00E1z\u00ED z n\u011Bm\u010Diny, kde v\u00FDraz \u201EErdbrand\u201C znamen\u00E1 obecn\u011B zemn\u00ED po\u017E\u00E1r. Pro snadnou t\u011B\u017Ebu a dobr\u00E9 mechanick\u00E9 vlastnosti byl bohat\u011B vyu\u017E\u00EDv\u00E1n ve druh\u00E9 polovin\u011B 20. stolet\u00ED jako materi\u00E1l na zpev\u0148ov\u00E1n\u00ED cest."@cs . . "Porcelanit"@cs . "17"^^ . . . . . . "Porcelanit, lom Bu\u010Dn\u00EDk .jpg"@cs .