{"id":8278,"date":"2022-06-15T21:59:16","date_gmt":"2022-06-15T19:59:16","guid":{"rendered":"https:\/\/svetkamene.eu\/?p=8278"},"modified":"2022-06-15T21:57:04","modified_gmt":"2022-06-15T19:57:04","slug":"felsite-a-new-stone-on-the-market-2","status":"publish","type":"post","link":"https:\/\/svetkamene.eu\/index.php\/en\/2022\/06\/15\/felsite-a-new-stone-on-the-market-2\/","title":{"rendered":"FELSITE \u2013 A NEW STONE ON THE MARKET"},"content":{"rendered":"\n
\"\"<\/figure>\n\n\n\n
<\/div>\n\n\n\n

Felsite is a hydro-volcanic rock that is classified as a type of tuff. We know very little about the origin of felsite. Most geologists believe that this mineral resulted from undersea volcanic processes. According to other theories, the rock is a pyroclastic tuff that has been exposed to hydrothermal processes. Microscopic examination of felsite revealed grains of minerals with traces of microfauna of marine origin, which suggests that the rock formed in the sea.<\/p>\n\n\n\n

Among other places, felsite is quarried in Asia in the Caucasus. The deposits are pre-Quaternary sediments with very good mechanical and physical properties. Several exploratory wells were drilled to determine the colour of the stone. Depending on the location of the deposition, there are three basic types of felsite: spotted yellow, light yellow, and white. Interestingly, test have shown that regardless of colour, the various felsites have almost identical physical and mechanical qualities.<\/p>\n\n\n\n

These qualities make felsite an attractive stone for the construction industry. The low density of the stone makes it easy to install on the fa\u00e7ades. Felsite is also fully frost-resistant and sufficiently strong, and it is fairly easy to process.<\/p>\n\n\n\n

Felsite is currently available in Poland in two colour varieties: Persian gold and Persian green.<\/p>\n\n\n\n

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

Physical and mechanical qualities:<\/p>\n\n\n\n

– density \u2013 1970 kg \/ m3<\/sup><\/p>\n\n\n\n

– absorbency \u2013 10.65%<\/p>\n\n\n\n

– flexural strength \u2013 9.8 MPa<\/p>\n\n\n\n

– crushing strength \u2013 58 MPa<\/p>\n\n\n\n

– porosity \u2013 19.9%<\/p>\n\n\n\n

– decrease in flexural strength after 20 cycles of freezing \/ thawing \u2013 16.8 %<\/p>\n\n\n\n

– breaking load \u2013 1400 N<\/p>\n\n\n\n

The tests were carried out in the Stones and Aggregates (Artificial Aggregates) Laboratory in Strzegom.<\/p>\n\n\n\n

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

Source: Kurier Kamieniarski<\/a><\/p>\n\n\n\n

Author: Kurier Kamieniarski | Published: 9.5. 2016<\/p>\n","protected":false},"excerpt":{"rendered":"

Felsite is a hydro-volcanic rock that is classified as a type of tuff. We know very little…<\/p>\n","protected":false},"author":13,"featured_media":2565,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0},"categories":[376],"tags":[],"yoast_head":"\nFELSITE \u2013 A NEW STONE ON THE MARKET - 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:\/\/svetkamene.eu\/index.php\/en\/2022\/06\/15\/felsite-a-new-stone-on-the-market-2\/\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"FELSITE \u2013 A NEW STONE ON THE MARKET - 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:\/\/svetkamene.eu\/index.php\/en\/2022\/06\/15\/felsite-a-new-stone-on-the-market-2\/\" \/>\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=\"2022-06-15T19:57:04+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=\"Kate\u0159ina Markvartov\u00e1\" \/>\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:\/\/svetkamene.eu\/index.php\/en\/2022\/06\/15\/felsite-a-new-stone-on-the-market-2\/#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:\/\/svetkamene.eu\/index.php\/en\/2022\/06\/15\/felsite-a-new-stone-on-the-market-2\/#webpage\",\"url\":\"https:\/\/svetkamene.eu\/index.php\/en\/2022\/06\/15\/felsite-a-new-stone-on-the-market-2\/\",\"name\":\"FELSITE \u2013 A NEW STONE ON THE MARKET - 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