{"id":4302,"date":"2021-10-14T17:40:46","date_gmt":"2021-10-14T20:40:46","guid":{"rendered":"https:\/\/shop.mbernardesgems.com\/?page_id=4302"},"modified":"2021-12-03T16:59:57","modified_gmt":"2021-12-03T19:59:57","slug":"bicolor-tourmaline-gemological-data","status":"publish","type":"page","link":"https:\/\/shop.mbernardesgems.com\/en\/bicolor-tourmaline-gemological-data\/","title":{"rendered":"Bicolor Tourmaline"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"4302\" class=\"elementor elementor-4302 elementor-10233\" data-elementor-settings=\"[]\">\n\t\t\t\t\t\t<div class=\"elementor-inner\">\n\t\t\t\t\t\t\t<div class=\"elementor-section-wrap\">\n\t\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-dbd1931 elementor-section-height-min-height elementor-section-boxed elementor-section-height-default elementor-section-items-middle\" data-id=\"dbd1931\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-684398b\" data-id=\"684398b\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-42cf35e elementor-widget elementor-widget-heading\" data-id=\"42cf35e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Gemological Data<\/h1>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-39b785c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"39b785c\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-6e7817f\" data-id=\"6e7817f\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5d4fed0 elementor-nav-menu__align-right elementor-nav-menu--dropdown-none elementor-widget elementor-widget-nav-menu\" data-id=\"5d4fed0\" data-element_type=\"widget\" data-settings=\"{&quot;layout&quot;:&quot;vertical&quot;,&quot;sticky&quot;:&quot;top&quot;,&quot;sticky_parent&quot;:&quot;yes&quot;,&quot;submenu_icon&quot;:{&quot;value&quot;:&quot;&lt;i class=\\&quot;fas fa-caret-down\\&quot;&gt;&lt;\\\/i&gt;&quot;,&quot;library&quot;:&quot;fa-solid&quot;},&quot;sticky_on&quot;:[&quot;desktop&quot;,&quot;tablet&quot;,&quot;mobile&quot;],&quot;sticky_offset&quot;:0,&quot;sticky_effects_offset&quot;:0}\" data-widget_type=\"nav-menu.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t<nav migration_allowed=\"1\" migrated=\"0\" role=\"navigation\" class=\"elementor-nav-menu--main elementor-nav-menu__container elementor-nav-menu--layout-vertical e--pointer-none\">\n\t\t\t\t<ul id=\"menu-1-5d4fed0\" class=\"elementor-nav-menu sm-vertical\"><li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-11768\"><a href=\"https:\/\/shop.mbernardesgems.com\/en\/indicolite\/\" class=\"elementor-item\">Indicolite<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-11770\"><a href=\"https:\/\/shop.mbernardesgems.com\/en\/kunzite-gemological-data\/\" class=\"elementor-item\">Kunzite<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-11771\"><a href=\"https:\/\/shop.mbernardesgems.com\/en\/morganite-gemological-data\/\" class=\"elementor-item\">Morganite<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-11772\"><a href=\"https:\/\/shop.mbernardesgems.com\/en\/rubelite-gemological-data\/\" class=\"elementor-item\">Rubelite<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-11773\"><a href=\"https:\/\/shop.mbernardesgems.com\/en\/imperial-topaz-gemological-data\/\" class=\"elementor-item\">Imperial Topaz<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-11774\"><a href=\"https:\/\/shop.mbernardesgems.com\/en\/yellow-tourmaline-gemological-data\/\" class=\"elementor-item\">Yellow Tourmaline<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-11775\"><a href=\"https:\/\/shop.mbernardesgems.com\/en\/bicolor-tourmaline-gemological-data\/\" class=\"elementor-item\">Bicolor Tourmaline<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-11776\"><a href=\"https:\/\/shop.mbernardesgems.com\/en\/paraiba-tourmaline-gemological-data\/\" class=\"elementor-item\">Paraiba Tourmaline<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-11777\"><a href=\"https:\/\/shop.mbernardesgems.com\/en\/pink-tourmaline-gemological-data\/\" class=\"elementor-item\">Pink Tourmaline<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-11778\"><a href=\"https:\/\/shop.mbernardesgems.com\/en\/green-tourmaline-gemological-data\/\" class=\"elementor-item\">Green Tourmaline \/ Blue<\/a><\/li>\n<\/ul>\t\t\t<\/nav>\n\t\t\t\t\t<div class=\"elementor-menu-toggle\" role=\"button\" tabindex=\"0\" aria-label=\"Menu Toggle\" aria-expanded=\"false\">\n\t\t\t<i aria-hidden=\"true\" role=\"presentation\" class=\"elementor-menu-toggle__icon--open eicon-menu-bar\"><\/i><i aria-hidden=\"true\" role=\"presentation\" class=\"elementor-menu-toggle__icon--close eicon-close\"><\/i>\t\t\t<span class=\"elementor-screen-only\">Menu<\/span>\n\t\t<\/div>\n\t\t\t<nav class=\"elementor-nav-menu--dropdown elementor-nav-menu__container\" role=\"navigation\" aria-hidden=\"true\">\n\t\t\t\t<ul id=\"menu-2-5d4fed0\" class=\"elementor-nav-menu sm-vertical\"><li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-11768\"><a href=\"https:\/\/shop.mbernardesgems.com\/en\/indicolite\/\" class=\"elementor-item\" tabindex=\"-1\">Indicolite<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-11770\"><a href=\"https:\/\/shop.mbernardesgems.com\/en\/kunzite-gemological-data\/\" class=\"elementor-item\" tabindex=\"-1\">Kunzite<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-11771\"><a href=\"https:\/\/shop.mbernardesgems.com\/en\/morganite-gemological-data\/\" class=\"elementor-item\" tabindex=\"-1\">Morganite<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-11772\"><a href=\"https:\/\/shop.mbernardesgems.com\/en\/rubelite-gemological-data\/\" class=\"elementor-item\" tabindex=\"-1\">Rubelite<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-11773\"><a href=\"https:\/\/shop.mbernardesgems.com\/en\/imperial-topaz-gemological-data\/\" class=\"elementor-item\" tabindex=\"-1\">Imperial Topaz<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-11774\"><a href=\"https:\/\/shop.mbernardesgems.com\/en\/yellow-tourmaline-gemological-data\/\" class=\"elementor-item\" tabindex=\"-1\">Yellow Tourmaline<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-11775\"><a href=\"https:\/\/shop.mbernardesgems.com\/en\/bicolor-tourmaline-gemological-data\/\" class=\"elementor-item\" tabindex=\"-1\">Bicolor Tourmaline<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-11776\"><a href=\"https:\/\/shop.mbernardesgems.com\/en\/paraiba-tourmaline-gemological-data\/\" class=\"elementor-item\" tabindex=\"-1\">Paraiba Tourmaline<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-11777\"><a href=\"https:\/\/shop.mbernardesgems.com\/en\/pink-tourmaline-gemological-data\/\" class=\"elementor-item\" tabindex=\"-1\">Pink Tourmaline<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-11778\"><a href=\"https:\/\/shop.mbernardesgems.com\/en\/green-tourmaline-gemological-data\/\" class=\"elementor-item\" tabindex=\"-1\">Green Tourmaline \/ Blue<\/a><\/li>\n<\/ul>\t\t\t<\/nav>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-d27cb10\" data-id=\"d27cb10\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-059f00a elementor-widget elementor-widget-heading\" data-id=\"059f00a\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Bicolor Tourmaline\n<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9c95a2c elementor-widget elementor-widget-heading\" data-id=\"9c95a2c\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Generic Information:\n<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c3f304b elementor-widget elementor-widget-text-editor\" data-id=\"c3f304b\" data-element_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<div class=\"elementor-text-editor elementor-clearfix\">\n\t\t\t\t<p>Name Origin: This name is given by the fact that the name of the color is sometimes used after the term tourmaline instead of using the gemological variety. So, in this case, they can be bicolor or even tricolor, due to differences in chemical composition across the crystals.<\/p><p>Main Colors: Presents a combination of different colors. Green and red, green and pink, pink and blue, pink and yellow, pink and colorless.<\/p><p>Producing Countries: Tourmaline deposits are found in pegmatites and alluvial deposits. The most important supplier is Brazil (Minas Gerais). There are deposits in Madagascar, Mozambique, Nigeria, Afghanistan among others. Recently, Congo produced beautiful Bicolors of various hues. There is also a small production in San Diego, CA-USA.<\/p><p>Common Shapes: They are almost always cut in a rectangular or octogonal shape, in order to show the division of colors more clearly.<\/p><p>Usual Treatment: These are usually stones that are not treated. In some cases, irradiation may occur, changing pale colors to a stronger pink or red; in this case, the green is not changed. As Bicolors usually have cracks in the color interface, heat treatment is not recommended.<\/p>\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 class=\"elementor-element elementor-element-348bed5 elementor-widget elementor-widget-heading\" data-id=\"348bed5\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Gemological Data:<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2cb0488 pp-table-center elementor-widget elementor-widget-pp-table\" data-id=\"2cb0488\" data-element_type=\"widget\" data-settings=\"{&quot;table_type&quot;:&quot;responsive&quot;,&quot;scrollable&quot;:&quot;no&quot;}\" data-widget_type=\"pp-table.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"pp-table-container\">\n\t\t\t<table \n\t\t\tclass=\"pp-table tablesaw\" data-tablesaw-mode=\"stack\"\t\t\t\t>\n\t\t\t\t\t\t\t<colgroup>\n\t\t\t\t\t\t\t\t<col\n\t\t\t\t\tspan=\"1\"\n\t\t\t\t\tclass=\"elementor-repeater-item-6bb7665\"\n\t\t\t\t\t\t\t\t\t\t\tstyle=\"\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"\n\t\t\t\t\t\t\t\t\t\t>\n\t\t\t\t\t\t\t<\/colgroup>\n\t\t\t\t\t\t<thead>\n\t\t\t\t<tr class=\"pp-table-row\">\n\t\t\t\t\t<th class=\"pp-table-cell pp-table-cell-098a617\"><span class=\"pp-table-cell-content\"><span class=\"pp-table-cell-text\">Species:<\/span><\/span><\/th><th class=\"pp-table-cell pp-table-cell-c8addb4\"><span class=\"pp-table-cell-content\"><span class=\"pp-table-cell-text\">Bicolor tourmaline<\/span><\/span><\/th>\t\t\t\t<\/tr>\n\t\t\t<\/thead>\n\t\t\t\t\t<tfoot>\n\t\t\t<\/tr>\t\t<\/tfoot>\n\t\t\t\t<tbody>\n\t\t\t<tr><td class=\"pp-table-cell pp-table-cell-2d592bf\"><span class=\"pp-table-cell-content\"><span class=\"pp-table-cell-text\">Hardness of Mohs:<\/span><\/span><\/td><td class=\"pp-table-cell pp-table-cell-7f23d39\"><span class=\"pp-table-cell-content\"><span class=\"pp-table-cell-text\">7\/7,5\n<\/span><\/span><\/td><\/tr><tr><td class=\"pp-table-cell pp-table-cell-7343d2a\"><span class=\"pp-table-cell-content\"><span class=\"pp-table-cell-text\">Specific Density:<\/span><\/span><\/td><td class=\"pp-table-cell pp-table-cell-193fcb5\"><span class=\"pp-table-cell-content\"><span class=\"pp-table-cell-text\">3,06 (+0,15 \/ -0,05)\n<\/span><\/span><\/td><\/tr><tr><td class=\"pp-table-cell pp-table-cell-07e0a2c\"><span class=\"pp-table-cell-content\"><span class=\"pp-table-cell-text\">Cleavage:<\/span><\/span><\/td><td class=\"pp-table-cell pp-table-cell-072cb44\"><span class=\"pp-table-cell-content\"><span class=\"pp-table-cell-text\">None.<\/span><\/span><\/td><\/tr><tr><td class=\"pp-table-cell pp-table-cell-56bc1c7\"><span class=\"pp-table-cell-content\"><span class=\"pp-table-cell-text\">Fracture:<\/span><\/span><\/td><td class=\"pp-table-cell pp-table-cell-c1eeddf\"><span class=\"pp-table-cell-content\"><span class=\"pp-table-cell-text\">Uneven, brittle conical<\/span><\/span><\/td><\/tr><tr><td class=\"pp-table-cell pp-table-cell-1141adf\"><span class=\"pp-table-cell-content\"><span class=\"pp-table-cell-text\">Crystal System:<\/span><\/span><\/td><td class=\"pp-table-cell pp-table-cell-353d681\"><span class=\"pp-table-cell-content\"><span class=\"pp-table-cell-text\">Hexagonal (trigonal) usually elongated crystals with triangular sections and rounded faces, clear striations parallel to the main axis; often, several prisms grow together.<\/span><\/span><\/td><\/tr><tr><td class=\"pp-table-cell pp-table-cell-607bff2\"><span class=\"pp-table-cell-content\"><span class=\"pp-table-cell-text\">Chemical Composition:<\/span><\/span><\/td><td class=\"pp-table-cell pp-table-cell-0fcb6f5\"><span class=\"pp-table-cell-content\"><span class=\"pp-table-cell-text\">(NaLiCa)(Fe\u2081\u2081MgMnAl)\u2083Al\u2086[(OH)\u2084(BO\u2083)\u2083Si\u2086O\u2081\u2088)]Aluminum complex borosilicate of variable composition.<\/span><\/span><\/td><\/tr><tr><td class=\"pp-table-cell pp-table-cell-43ce8ad\"><span class=\"pp-table-cell-content\"><span class=\"pp-table-cell-text\">Transparency:<\/span><\/span><\/td><td class=\"pp-table-cell pp-table-cell-f574e14\"><span class=\"pp-table-cell-content\"><span class=\"pp-table-cell-text\">Transparent<\/span><\/span><\/td><\/tr><tr><td class=\"pp-table-cell pp-table-cell-6073f02\"><span class=\"pp-table-cell-content\"><span class=\"pp-table-cell-text\">Refractive Index:<\/span><\/span><\/td><td class=\"pp-table-cell pp-table-cell-75f0852\"><span class=\"pp-table-cell-content\"><span class=\"pp-table-cell-text\">1,624-1,644\n<\/span><\/span><\/td><\/tr><tr><td class=\"pp-table-cell pp-table-cell-0797241\"><span class=\"pp-table-cell-content\"><span class=\"pp-table-cell-text\">Birefringence:<\/span><\/span><\/td><td class=\"pp-table-cell pp-table-cell-1d8e42c\"><span class=\"pp-table-cell-content\"><span class=\"pp-table-cell-text\">0.020<\/span><\/span><\/td><\/tr><tr><td class=\"pp-table-cell pp-table-cell-95abc4a\"><span class=\"pp-table-cell-content\"><span class=\"pp-table-cell-text\">Dispersion:<\/span><\/span><\/td><td class=\"pp-table-cell pp-table-cell-26a462d\"><span class=\"pp-table-cell-content\"><span class=\"pp-table-cell-text\">0,017\n<\/span><\/span><\/td><\/tr><tr><td class=\"pp-table-cell pp-table-cell-3840e2e\"><span class=\"pp-table-cell-content\"><span class=\"pp-table-cell-text\">Pleochroism:<\/span><\/span><\/td><td class=\"pp-table-cell pp-table-cell-4e3e3e3\"><span class=\"pp-table-cell-content\"><span class=\"pp-table-cell-text\">Various, depending on the colors present.<\/span><\/span><\/td><\/tr><tr><td class=\"pp-table-cell pp-table-cell-c822872\"><span class=\"pp-table-cell-content\"><span class=\"pp-table-cell-text\">Luster:<\/span><\/span><\/td><td class=\"pp-table-cell pp-table-cell-1fc7198\"><span class=\"pp-table-cell-content\"><span class=\"pp-table-cell-text\">Vitreous<\/span><\/span><\/td><\/tr><tr><td class=\"pp-table-cell pp-table-cell-3a03c9c\"><span class=\"pp-table-cell-content\"><span class=\"pp-table-cell-text\">Fluorescence:<\/span><\/span><\/td><td class=\"pp-table-cell pp-table-cell-ae5c509\"><span class=\"pp-table-cell-content\"><span class=\"pp-table-cell-text\">Weak or none <\/span><\/span><\/td><\/tr>\t\t<\/tbody>\n\t\t\t\t\t<\/table>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Gemological Data Bicolor Tourmaline Generic Information: Name Origin: This name is given by the fact that the name of the color is sometimes used after the term tourmaline instead of using the gemological variety. So, in this case, they can be bicolor or even tricolor, due to differences in chemical composition across the crystals. Main [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"_links":{"self":[{"href":"https:\/\/shop.mbernardesgems.com\/en\/wp-json\/wp\/v2\/pages\/4302"}],"collection":[{"href":"https:\/\/shop.mbernardesgems.com\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/shop.mbernardesgems.com\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/shop.mbernardesgems.com\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/shop.mbernardesgems.com\/en\/wp-json\/wp\/v2\/comments?post=4302"}],"version-history":[{"count":6,"href":"https:\/\/shop.mbernardesgems.com\/en\/wp-json\/wp\/v2\/pages\/4302\/revisions"}],"predecessor-version":[{"id":10658,"href":"https:\/\/shop.mbernardesgems.com\/en\/wp-json\/wp\/v2\/pages\/4302\/revisions\/10658"}],"wp:attachment":[{"href":"https:\/\/shop.mbernardesgems.com\/en\/wp-json\/wp\/v2\/media?parent=4302"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}