{"id":35903,"date":"2026-10-23T04:52:17","date_gmt":"2026-10-23T04:52:17","guid":{"rendered":"https:\/\/4cminerals.cz\/?page_id=35903"},"modified":"2026-10-23T04:52:17","modified_gmt":"2026-10-23T04:52:17","slug":"blog","status":"publish","type":"page","link":"https:\/\/4cminerals.cz\/en\/blog\/","title":{"rendered":"Blog"},"content":{"rendered":"\n<div class=\"wp-block-group minerals-section minerals-section--light minerals-inspirace\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n\t\n\t<div class=\"wp-block-group minerals-section__inner\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n\t\t\n\t\t<h1 class=\"wp-block-heading has-text-align-center\">Blog and news<\/h1>\n\t\t\n\n\t\t\n\t\t<div class=\"wp-block-query minerals-inspirace__query is-layout-flow wp-block-query-is-layout-flow\">\n\t\t\t<ul class=\"minerals-inspirace__grid wp-block-post-template is-layout-flow wp-block-post-template-is-layout-flow\"><li class=\"wp-block-post post-35931 post type-post status-publish format-standard hentry category-advice\">\n\t\t\t\t\n\t\t\t\t<h3 class=\"wp-block-post-title\"><a href=\"https:\/\/4cminerals.cz\/en\/tanzanite-how-to-choose-ring-necklace\/\" target=\"_self\" >Tanzanite: A Stone from a Single Deposit in the World. How to Choose a Ring or Necklace and How to Care for It<\/a><\/h3>\n\t\t\t\t<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">Tanzanite is one of the youngest gemstones on the market. Just sixty years ago it was not known&hellip; <\/p><\/div>\n\t\t\t\t<a class=\"wp-block-read-more\" href=\"https:\/\/4cminerals.cz\/en\/tanzanite-how-to-choose-ring-necklace\/\" target=\"_self\">Read article<span class=\"screen-reader-text\">: Tanzanite: A Stone from a Single Deposit in the World. How to Choose a Ring or Necklace and How to Care for It<\/span><\/a>\n\t\t\t<\/li><li class=\"wp-block-post post-35930 post type-post status-publish format-standard hentry category-advice\">\n\t\t\t\t\n\t\t\t\t<h3 class=\"wp-block-post-title\"><a href=\"https:\/\/4cminerals.cz\/en\/precious-fire-pink-opal-how-to-recognise-genuine\/\" target=\"_self\" >Precious, Fire or Pink Opal? How They Differ, How to Recognise a Genuine One and How to Care for It<\/a><\/h3>\n\t\t\t\t<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">Opal is one of the few commonly used gemstones that do not have a crystalline structure. Its characteristic&hellip; <\/p><\/div>\n\t\t\t\t<a class=\"wp-block-read-more\" href=\"https:\/\/4cminerals.cz\/en\/precious-fire-pink-opal-how-to-recognise-genuine\/\" target=\"_self\">Read article<span class=\"screen-reader-text\">: Precious, Fire or Pink Opal? How They Differ, How to Recognise a Genuine One and How to Care for It<\/span><\/a>\n\t\t\t<\/li><li class=\"wp-block-post post-35929 post type-post status-publish format-standard hentry category-advice\">\n\t\t\t\t\n\t\t\t\t<h3 class=\"wp-block-post-title\"><a href=\"https:\/\/4cminerals.cz\/en\/jewellery-with-a-natural-stone-as-a-gift\/\" target=\"_self\" >A Gift with a Genuine Stone: How to Choose Jewellery That Lasts for Generations<\/a><\/h3>\n\t\t\t\t<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">Perfume gets used up and a sweater fades over time. A piece of jewellery with a natural stone&hellip; <\/p><\/div>\n\t\t\t\t<a class=\"wp-block-read-more\" href=\"https:\/\/4cminerals.cz\/en\/jewellery-with-a-natural-stone-as-a-gift\/\" target=\"_self\">Read article<span class=\"screen-reader-text\">: A Gift with a Genuine Stone: How to Choose Jewellery That Lasts for Generations<\/span><\/a>\n\t\t\t<\/li><li class=\"wp-block-post post-35927 post type-post status-publish format-standard has-post-thumbnail hentry category-advice\">\n\t\t\t\t<figure class=\"wp-block-post-featured-image\"><a href=\"https:\/\/4cminerals.cz\/en\/why-a-coloured-diamond-can-cost-more-than-a-colourless-one\/\" target=\"_self\" ><img loading=\"lazy\" decoding=\"async\" width=\"1672\" height=\"941\" src=\"https:\/\/4cminerals.cz\/wp-content\/uploads\/2026\/09\/barevne-diamanty.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"Why Can a Coloured Diamond Cost More Than a Colourless One?\" style=\"object-fit:cover;\" srcset=\"https:\/\/4cminerals.cz\/wp-content\/uploads\/2026\/09\/barevne-diamanty.jpg 1672w, https:\/\/4cminerals.cz\/wp-content\/uploads\/2026\/09\/barevne-diamanty-300x169.jpg 300w, https:\/\/4cminerals.cz\/wp-content\/uploads\/2026\/09\/barevne-diamanty-768x432.jpg 768w, https:\/\/4cminerals.cz\/wp-content\/uploads\/2026\/09\/barevne-diamanty-1024x576.jpg 1024w, https:\/\/4cminerals.cz\/wp-content\/uploads\/2026\/09\/barevne-diamanty-1536x864.jpg 1536w, https:\/\/4cminerals.cz\/wp-content\/uploads\/2026\/09\/barevne-diamanty-599x337.jpg 599w\" sizes=\"auto, (max-width: 1672px) 100vw, 1672px\" \/><\/a><\/figure>\n\t\t\t\t<h3 class=\"wp-block-post-title\"><a href=\"https:\/\/4cminerals.cz\/en\/why-a-coloured-diamond-can-cost-more-than-a-colourless-one\/\" target=\"_self\" >Why Can a Coloured Diamond Cost More Than a Colourless One?<\/a><\/h3>\n\t\t\t\t<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">With colourless diamonds, you usually pay for the least possible tint of colour. With natural fancy diamonds, the&hellip; <\/p><\/div>\n\t\t\t\t<a class=\"wp-block-read-more\" href=\"https:\/\/4cminerals.cz\/en\/why-a-coloured-diamond-can-cost-more-than-a-colourless-one\/\" target=\"_self\">Read article<span class=\"screen-reader-text\">: Why Can a Coloured Diamond Cost More Than a Colourless One?<\/span><\/a>\n\t\t\t<\/li><li class=\"wp-block-post post-35928 post type-post status-publish format-standard has-post-thumbnail hentry category-advice\">\n\t\t\t\t<figure class=\"wp-block-post-featured-image\"><a href=\"https:\/\/4cminerals.cz\/en\/minerals-as-statement-pieces-in-the-modern-interior\/\" target=\"_self\" ><img loading=\"lazy\" decoding=\"async\" width=\"1672\" height=\"941\" src=\"https:\/\/4cminerals.cz\/wp-content\/uploads\/2026\/09\/dekorace-z-mineralu.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"Minerals as Statement Pieces in the Modern Interior\" style=\"object-fit:cover;\" srcset=\"https:\/\/4cminerals.cz\/wp-content\/uploads\/2026\/09\/dekorace-z-mineralu.jpg 1672w, https:\/\/4cminerals.cz\/wp-content\/uploads\/2026\/09\/dekorace-z-mineralu-300x169.jpg 300w, https:\/\/4cminerals.cz\/wp-content\/uploads\/2026\/09\/dekorace-z-mineralu-768x432.jpg 768w, https:\/\/4cminerals.cz\/wp-content\/uploads\/2026\/09\/dekorace-z-mineralu-1024x576.jpg 1024w, https:\/\/4cminerals.cz\/wp-content\/uploads\/2026\/09\/dekorace-z-mineralu-1536x864.jpg 1536w, https:\/\/4cminerals.cz\/wp-content\/uploads\/2026\/09\/dekorace-z-mineralu-599x337.jpg 599w\" sizes=\"auto, (max-width: 1672px) 100vw, 1672px\" \/><\/a><\/figure>\n\t\t\t\t<h3 class=\"wp-block-post-title\"><a href=\"https:\/\/4cminerals.cz\/en\/minerals-as-statement-pieces-in-the-modern-interior\/\" target=\"_self\" >Minerals as Statement Pieces in the Modern Interior<\/a><\/h3>\n\t\t\t\t<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">A large druse, geode or crystal sphere can work in an interior much like a sculpture or a&hellip; <\/p><\/div>\n\t\t\t\t<a class=\"wp-block-read-more\" href=\"https:\/\/4cminerals.cz\/en\/minerals-as-statement-pieces-in-the-modern-interior\/\" target=\"_self\">Read article<span class=\"screen-reader-text\">: Minerals as Statement Pieces in the Modern Interior<\/span><\/a>\n\t\t\t<\/li><li class=\"wp-block-post post-35926 post type-post status-publish format-standard has-post-thumbnail hentry category-advice\">\n\t\t\t\t<figure class=\"wp-block-post-featured-image\"><a href=\"https:\/\/4cminerals.cz\/en\/petrified-wood-in-the-interior\/\" target=\"_self\" ><img loading=\"lazy\" decoding=\"async\" width=\"1672\" height=\"941\" src=\"https:\/\/4cminerals.cz\/wp-content\/uploads\/2026\/09\/zkamenela-sekvoj.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"Petrified Wood in the Interior: When a Tree Millions of Years Old Becomes a Design Object\" style=\"object-fit:cover;\" srcset=\"https:\/\/4cminerals.cz\/wp-content\/uploads\/2026\/09\/zkamenela-sekvoj.jpg 1672w, https:\/\/4cminerals.cz\/wp-content\/uploads\/2026\/09\/zkamenela-sekvoj-300x169.jpg 300w, https:\/\/4cminerals.cz\/wp-content\/uploads\/2026\/09\/zkamenela-sekvoj-768x432.jpg 768w, https:\/\/4cminerals.cz\/wp-content\/uploads\/2026\/09\/zkamenela-sekvoj-1024x576.jpg 1024w, https:\/\/4cminerals.cz\/wp-content\/uploads\/2026\/09\/zkamenela-sekvoj-1536x864.jpg 1536w, https:\/\/4cminerals.cz\/wp-content\/uploads\/2026\/09\/zkamenela-sekvoj-599x337.jpg 599w\" sizes=\"auto, (max-width: 1672px) 100vw, 1672px\" \/><\/a><\/figure>\n\t\t\t\t<h3 class=\"wp-block-post-title\"><a href=\"https:\/\/4cminerals.cz\/en\/petrified-wood-in-the-interior\/\" target=\"_self\" >Petrified Wood in the Interior: When a Tree Millions of Years Old Becomes a Design Object<\/a><\/h3>\n\t\t\t\t<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">Petrified wood combines a geological story with a striking visual character: the structure of an ancient trunk remains&hellip; <\/p><\/div>\n\t\t\t\t<a class=\"wp-block-read-more\" href=\"https:\/\/4cminerals.cz\/en\/petrified-wood-in-the-interior\/\" target=\"_self\">Read article<span class=\"screen-reader-text\">: Petrified Wood in the Interior: When a Tree Millions of Years Old Becomes a Design Object<\/span><\/a>\n\t\t\t<\/li><li class=\"wp-block-post post-32933 post type-post status-publish format-standard hentry category-nezarazene\">\n\t\t\t\t\n\t\t\t\t<h3 class=\"wp-block-post-title\"><a href=\"https:\/\/4cminerals.cz\/en\/v-pondeli-11-listopadu-otevreno-pouze-do-15-45\/\" target=\"_self\" >V pond\u011bl\u00ed 11. listopadu otev\u0159eno pouze do 15.45.<\/a><\/h3>\n\t\t\t\t<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">V\u00e1\u017een\u00ed z\u00e1kazn\u00edci, z provozn\u00edch d\u016fvod\u016f budeme m\u00edt v pond\u011bl\u00ed 10. listopadu otev\u0159eno mimo\u0159\u00e1dn\u011b pouze do 15.45. Omlouv\u00e1me se&hellip; <\/p><\/div>\n\t\t\t\t<a class=\"wp-block-read-more\" href=\"https:\/\/4cminerals.cz\/en\/v-pondeli-11-listopadu-otevreno-pouze-do-15-45\/\" target=\"_self\">Read article<span class=\"screen-reader-text\">: V pond\u011bl\u00ed 11. listopadu otev\u0159eno pouze do 15.45.<\/span><\/a>\n\t\t\t<\/li><li class=\"wp-block-post post-30378 post type-post status-publish format-standard hentry category-nezarazene\">\n\t\t\t\t\n\t\t\t\t<h3 class=\"wp-block-post-title\"><a href=\"https:\/\/4cminerals.cz\/en\/vanocni-oteviraci-doba\/\" target=\"_self\" >V\u00c1NO\u010cN\u00cd OTEV\u00cdRAC\u00cd DOBA 2024<\/a><\/h3>\n\t\t\t\t<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">V\u00e1\u017een\u00ed z\u00e1kazn\u00edci, dovolte n\u00e1m pros\u00edm informovat V\u00e1s o V\u00e1no\u010dn\u00ed otev\u00edrac\u00ed dob\u011b na\u0161\u00ed kamenn\u00e9 prodejny. Do 23. prosince otev\u0159eno&hellip; <\/p><\/div>\n\t\t\t\t<a class=\"wp-block-read-more\" href=\"https:\/\/4cminerals.cz\/en\/vanocni-oteviraci-doba\/\" target=\"_self\">Read article<span class=\"screen-reader-text\">: V\u00c1NO\u010cN\u00cd OTEV\u00cdRAC\u00cd DOBA 2024<\/span><\/a>\n\t\t\t<\/li><li class=\"wp-block-post post-35932 post type-post status-publish format-standard hentry category-uncategorized\">\n\t\t\t\t\n\t\t\t\t<h3 class=\"wp-block-post-title\"><a href=\"https:\/\/4cminerals.cz\/en\/investment-stones\/\" target=\"_self\" >Investment Stones<\/a><\/h3>\n\t\t\t\t<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">Dear friends, in the run-up to Christmas we have prepared for you a section of investment stones containing&hellip; <\/p><\/div>\n\t\t\t\t<a class=\"wp-block-read-more\" href=\"https:\/\/4cminerals.cz\/en\/investment-stones\/\" target=\"_self\">Read article<span class=\"screen-reader-text\">: Investment Stones<\/span><\/a>\n\t\t\t<\/li><\/ul>\n\n\t\t\t<nav class=\"wp-block-query-pagination is-content-justification-center is-layout-flex wp-container-core-query-pagination-is-layout-fe48e5de wp-block-query-pagination-is-layout-flex\" aria-label=\"Pagination\">\n\t\t\t\t\n\t\t\t\t<div class=\"wp-block-query-pagination-numbers\"><span aria-label=\"Page 1\" aria-current=\"page\" class=\"page-numbers current\">1<\/span>\n<a aria-label=\"Page 2\" class=\"page-numbers\" href=\"?query-20-page=2\">2<\/a><\/div>\n\t\t\t\t<a href=\"\/en\/wp-json\/wp\/v2\/pages\/35903?query-20-page=2\" class=\"wp-block-query-pagination-next\">Next Page<\/a>\n\t\t\t<\/nav>\n\t\t<\/div>\n\t\t\n\t<\/div><\/div>\n\t\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Blog and news<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-35903","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/4cminerals.cz\/en\/wp-json\/wp\/v2\/pages\/35903","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/4cminerals.cz\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/4cminerals.cz\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/4cminerals.cz\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/4cminerals.cz\/en\/wp-json\/wp\/v2\/comments?post=35903"}],"version-history":[{"count":0,"href":"https:\/\/4cminerals.cz\/en\/wp-json\/wp\/v2\/pages\/35903\/revisions"}],"wp:attachment":[{"href":"https:\/\/4cminerals.cz\/en\/wp-json\/wp\/v2\/media?parent=35903"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}