{"id":12440,"date":"2026-07-02T16:24:43","date_gmt":"2026-07-02T14:24:43","guid":{"rendered":"https:\/\/feengrotten.admo.cloud\/grottoneum-station-19-feengrotten-oker\/"},"modified":"2026-08-04T08:25:41","modified_gmt":"2026-08-04T06:25:41","slug":"grottoneum-station-19-feengrotten-oker","status":"publish","type":"page","link":"https:\/\/feengrotten.admo.cloud\/nl\/grottoneum\/grottoneum-station-19-feengrotten-oker\/","title":{"rendered":"Grottoneum Station 19 \u2013 Feengrotten-oker"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"12440\" class=\"elementor elementor-12440 elementor-11756\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cc20b14 e-con-full e-flex e-con e-parent\" data-id=\"cc20b14\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;position&quot;:&quot;fixed&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-e3e4c9b e-con-full e-flex e-con e-child\" data-id=\"e3e4c9b\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<a class=\"elementor-element elementor-element-7a0e76a e-con-full e-flex e-con e-child\" data-id=\"7a0e76a\" data-element_type=\"container\" data-e-type=\"container\" href=\"https:\/\/feengrotten.admo.cloud\/stationsuebersichtseite-grottoneum\/\">\n\t\t\t\t<div class=\"elementor-element elementor-element-55e3231 icon__wrapper elementor-view-default elementor-widget elementor-widget-icon\" data-id=\"55e3231\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-wrapper\">\n\t\t\t<div class=\"elementor-icon\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"35\" height=\"35\" viewBox=\"0 0 35 35\"><g id=\"Gruppe_3170\" data-name=\"Gruppe 3170\" transform=\"translate(-16 -24)\"><g id=\"Rechteck_2623\" data-name=\"Rechteck 2623\" transform=\"translate(16 24)\" fill=\"#fff\" stroke=\"#f49019\" stroke-width=\"2\"><rect width=\"35\" height=\"35\" rx=\"17.5\" stroke=\"none\"><\/rect><rect x=\"1\" y=\"1\" width=\"33\" height=\"33\" rx=\"16.5\" fill=\"none\"><\/rect><\/g><g id=\"arrow-down\" transform=\"translate(75.381 -4.314) rotate(90)\"><g id=\"Gruppe_3166\" data-name=\"Gruppe 3166\" transform=\"translate(40 32)\"><path id=\"Pfad_864\" data-name=\"Pfad 864\" d=\"M40,104l5.814,5.814L51.628,104\" transform=\"translate(-40 -96.525)\" fill=\"none\" stroke=\"#000\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2\"><\/path><\/g><\/g><\/g><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-af57bd8 elementor-widget elementor-widget-text-editor\" data-id=\"af57bd8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Overzicht<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t\t\t<div class=\"elementor-element elementor-element-cff91db btn-icon-small elementor-widget elementor-widget-button\" data-id=\"cff91db\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/feengrotten.admo.cloud\/nl\/grottoneum\/grottoneum-station-20-grottenkino\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"11.428\" height=\"19.996\" viewBox=\"0 0 11.428 19.996\"><path id=\"icon_right\" d=\"M.4,19.6a1.524,1.524,0,0,1,.082-2.14L7.951,10,.482,2.534A1.524,1.524,0,0,1,.4.4,1.526,1.526,0,0,1,2.535.482L10.942,8.89l.044.045.041.038a1.517,1.517,0,0,1,0,2.053l-.041.038-.044.045-8.407,8.4A1.622,1.622,0,0,1,1.391,20,1.393,1.393,0,0,1,.4,19.6Z\" transform=\"translate(0 -0.004)\"><\/path><\/svg>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Station 20<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3265205 e-con-full e-flex e-con e-parent\" data-id=\"3265205\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-c2d5841 e-con-full e-flex e-con e-child\" data-id=\"c2d5841\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5eb2eae e-con-full e-flex e-con e-child\" data-id=\"5eb2eae\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-d1a40da e-con-full e-flex e-con e-child\" data-id=\"d1a40da\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-3d7ea27 e-con-full e-flex e-con e-child\" data-id=\"3d7ea27\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-57bd4b2 elementor-widget elementor-widget-text-editor\" data-id=\"57bd4b2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>19<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4e1498f elementor-widget elementor-widget-heading\" data-id=\"4e1498f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><font face=\"Arial, sans-serif\"><span style=\"font-size: 18.6667px\">Feengrotten-oker<\/span><\/font><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5843ee1 e-con-full e-flex e-con e-child\" data-id=\"5843ee1\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1cc7186 elementor-widget elementor-widget-text-editor\" data-id=\"1cc7186\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Na de sluiting van de alaunmijn trad er alleen nog ijzerhoudend okerslib uit de oude galerij. Aanvankelijk werd het gebruikt voor de productie van kleurpigmenten, later werd het vooral gewaardeerd vanwege zijn genezende werking. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-22b26f4 e-con-full e-flex e-con e-parent\" data-id=\"22b26f4\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b20df59 e-con-full e-flex e-con e-parent\" data-id=\"b20df59\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-23ddd58 e-con-full e-flex e-con e-child\" data-id=\"23ddd58\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-b549e4c e-con-full e-flex e-con e-child\" data-id=\"b549e4c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2f1b9cd elementor-widget elementor-widget-n-accordion\" data-id=\"2f1b9cd\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;default_state&quot;:&quot;all_collapsed&quot;,&quot;max_items_expended&quot;:&quot;one&quot;,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Accordion. Open links with Enter or Space, close with Escape, and navigate with Arrow Keys\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-4930\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-4930\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Meer informatie:   <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"11.427\" viewBox=\"0 0 20 11.427\"><path id=\"icon_up\" d=\"M.4,19.6A1.524,1.524,0,0,1,.482,17.46L7.951,10,.482,2.534A1.524,1.524,0,0,1,.4.4,1.526,1.526,0,0,1,2.535.482L10.942,8.89l.044.045.041.038a1.388,1.388,0,0,1,.4,1.026,1.393,1.393,0,0,1-.4,1.027l-.041.038-.044.045-8.407,8.4A1.622,1.622,0,0,1,1.391,20,1.393,1.393,0,0,1,.4,19.6Z\" transform=\"translate(0 11.427) rotate(-90)\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"11.427\" viewBox=\"0 0 20 11.427\"><path id=\"icon_down\" d=\"M.4,19.6A1.524,1.524,0,0,1,.482,17.46L7.951,10,.482,2.534A1.524,1.524,0,0,1,.4.4,1.526,1.526,0,0,1,2.535.482L10.942,8.89l.044.045.041.038a1.388,1.388,0,0,1,.4,1.026,1.393,1.393,0,0,1-.4,1.027l-.041.038-.044.045-8.407,8.4A1.622,1.622,0,0,1,1.391,20,1.393,1.393,0,0,1,.4,19.6Z\" transform=\"translate(20) rotate(90)\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-4930\" class=\"elementor-element elementor-element-a900690 e-con-full e-flex e-con e-child\" data-id=\"a900690\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-4930\" class=\"elementor-element elementor-element-a7f41e1 e-flex e-con-boxed e-con e-child\" data-id=\"a7f41e1\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-26c5265 elementor-widget elementor-widget-text-editor\" data-id=\"26c5265\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"isSelectedEnd\">In de 19e eeuw kwam de winning van alaunsteen in heel Europa tot stilstand. Ook de mijn &#8220;Jeremias Gl\u00fcck&#8221; werd gesloten en raakte geleidelijk in vergetelheid. Alleen het okerkleurige slib dat nog steeds uit een voormalige galerij trad, bleef zichtbaar.  <\/p><p class=\"isSelectedEnd\">Oker is een natuurlijk pigment dat, afhankelijk van de samenstelling, bleekgeel tot geelbruin lijkt. Al duizenden jaren wordt het als kleurstof gebruikt. Oker komt in veel verschillende vormen in de natuur voor. Chemisch ontstaat het door de verwering van ijzerhoudend gesteente en bevat het grote hoeveelheden in water oplosbare ijzeroxiden.   <\/p><p class=\"isSelectedEnd\">Na de sluiting van de mijn in 1855 verwierf de Saalfelder ondernemer August Wohlfarth het terrein in 1867. Hij stutte het mijnwater in de ontwateringsgalerij en won daaruit ijzeroker \u2013 zonder te weten waar deze eigenlijk vandaan kwam. In zijn fabriek in Saalfeld werd het okerslib gedroogd en verwerkt tot kleurpigmenten, die onder andere voor gevelverven werden gebruikt.  <\/p><p class=\"isSelectedEnd\">Het bedrijf was tot 1909 matig succesvol. Omdat de opbrengst aan oker echter steeds geringer werd, loonde de productie uiteindelijk niet meer en werd deze stopgezet. Daarmee eindigde het gebruik van de minerale grondstoffen van de mijn &#8220;Jeremias Gl\u00fcck&#8221;.  <\/p><p>Toch bleef het uittredende okerslib populair bij de bevolking. Er werden genezende eigenschappen aan toegeschreven, en sinds de 20e eeuw wordt het met groot succes ingezet voor de behandeling van verschillende klachten \u2013 onder andere bij reumatische aandoeningen. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-95f77d6 e-con-full e-flex e-con e-parent\" data-id=\"95f77d6\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;position&quot;:&quot;fixed&quot;,&quot;sticky&quot;:&quot;bottom&quot;,&quot;sticky_on&quot;:[&quot;desktop&quot;,&quot;laptop&quot;,&quot;tablet&quot;,&quot;mobile&quot;],&quot;sticky_offset&quot;:0,&quot;sticky_effects_offset&quot;:0,&quot;sticky_anchor_link_offset&quot;:0}\">\n\t\t<div class=\"elementor-element elementor-element-0d308ec e-con-full e-flex e-con e-child\" data-id=\"0d308ec\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cb5986f elementor-widget__width-inherit elementor-widget elementor-widget-wp-widget-media_audio\" data-id=\"cb5986f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wp-widget-media_audio.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<audio class=\"wp-audio-shortcode\" id=\"audio-12440-1\" preload=\"none\" style=\"width: 100%;\" controls=\"controls\"><source type=\"audio\/mpeg\" src=\"https:\/\/feengrotten.admo.cloud\/wp-content\/uploads\/2026\/08\/19-De-oker-van-de-Feengrotten.mp3?_=1\" \/><source type=\"audio\/mpeg\" src=\"https:\/\/feengrotten.admo.cloud\/wp-content\/uploads\/2026\/08\/19-De-oker-van-de-Feengrotten.mp3?_=1\" \/><a href=\"https:\/\/feengrotten.admo.cloud\/wp-content\/uploads\/2026\/08\/19-De-oker-van-de-Feengrotten.mp3\">https:\/\/feengrotten.admo.cloud\/wp-content\/uploads\/2026\/08\/19-De-oker-van-de-Feengrotten.mp3<\/a><\/audio>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Overzicht Station 20 19 Feengrotten-oker Na de sluiting van de alaunmijn trad er alleen nog ijzerhoudend okerslib uit de oude galerij. Aanvankelijk werd het gebruikt voor de productie van kleurpigmenten, later werd het vooral gewaardeerd vanwege zijn genezende werking. Meer informatie: In de 19e eeuw kwam de winning van alaunsteen in heel Europa tot stilstand. [&hellip;]<\/p>\n","protected":false},"author":137,"featured_media":0,"parent":13309,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-12440","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/feengrotten.admo.cloud\/nl\/wp-json\/wp\/v2\/pages\/12440","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/feengrotten.admo.cloud\/nl\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/feengrotten.admo.cloud\/nl\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/feengrotten.admo.cloud\/nl\/wp-json\/wp\/v2\/users\/137"}],"replies":[{"embeddable":true,"href":"https:\/\/feengrotten.admo.cloud\/nl\/wp-json\/wp\/v2\/comments?post=12440"}],"version-history":[{"count":0,"href":"https:\/\/feengrotten.admo.cloud\/nl\/wp-json\/wp\/v2\/pages\/12440\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/feengrotten.admo.cloud\/nl\/wp-json\/wp\/v2\/pages\/13309"}],"wp:attachment":[{"href":"https:\/\/feengrotten.admo.cloud\/nl\/wp-json\/wp\/v2\/media?parent=12440"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}