{"id":271,"date":"2025-11-28T08:00:44","date_gmt":"2025-11-28T08:00:44","guid":{"rendered":"https:\/\/mincool.org\/?p=271"},"modified":"2026-01-12T07:49:42","modified_gmt":"2026-01-12T07:49:42","slug":"collection6","status":"publish","type":"post","link":"https:\/\/mincool.org\/hu\/collection6\/","title":{"rendered":"Afrika \u2013 csiszolt k\u00f6vek gy\u0171jtem\u00e9nye"},"content":{"rendered":"<h2 class=\"wp-block-heading has-text-align-center\">Afrika <br>dobcsiszolt k\u00f6vek gy\u0171jtem\u00e9nye<\/h2>\n\n\n\n<p>Fedezze fel vel\u00fcnk egy\u00fctt az afrikai kontinenst, ahol a vil\u00e1g legr\u00e9gebbi \u00e9s leggazdagabb geol\u00f3giai lel\u0151helyei k\u00f6z\u00e9 tartozik. Ez az egyed\u00fcl\u00e1ll\u00f3, bukott k\u00f6vekb\u0151l \u00e1ll\u00f3 gy\u0171jtem\u00e9ny bepillant\u00e1st enged abba a leny\u0171g\u00f6z\u0151 \u00e1sv\u00e1nyi gazdags\u00e1gba, amelyet ez a leny\u0171g\u00f6z\u0151 kontinens rejt. A k\u00e9szlet minden egyes k\u00f6ve k\u00e9zzelfoghat\u00f3 eml\u00e9ket \u00e1ll\u00edt az afrikai t\u00e1jr\u00f3l, \u00e9s \u00fczenetet hordoz bolyg\u00f3nk eredet\u00e9r\u0151l \u00e9s erej\u00e9r\u0151l.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"878\" src=\"https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Cakra-sada-kolaz-1024x878.jpg\" alt=\"\" class=\"wp-image-326\" srcset=\"https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Cakra-sada-kolaz-1024x878.jpg 1024w, https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Cakra-sada-kolaz-300x257.jpg 300w, https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Cakra-sada-kolaz-768x658.jpg 768w, https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Cakra-sada-kolaz-1536x1317.jpg 1536w, https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Cakra-sada-kolaz-2048x1756.jpg 2048w, https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Cakra-sada-kolaz-14x12.jpg 14w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile\" style=\"grid-template-columns:16% auto\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"848\" height=\"636\" src=\"https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_tygri_oko.jpg\" alt=\"\" class=\"wp-image-327 size-full\" srcset=\"https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_tygri_oko.jpg 848w, https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_tygri_oko-300x225.jpg 300w, https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_tygri_oko-768x576.jpg 768w, https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_tygri_oko-16x12.jpg 16w\" sizes=\"auto, (max-width: 848px) 100vw, 848px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p><strong>T\u00cdGER SZEM (D\u00e9l-afrikai K\u00f6zt\u00e1rsas\u00e1g)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li style=\"line-height:1.3\"><strong>Jellemz\u0151k:<\/strong> A tigrisszem egy aranybarna kvarcfajta, amely selymes csillog\u00e1ssal \u00e9s egy egyed\u00fcl\u00e1ll\u00f3 optikai jelens\u00e9ggel - az \u00fagynevezett macskaszem-effektussal - rendelkezik. Leny\u0171g\u00f6z\u0151 megjelen\u00e9se \u00e9s ragyog\u00f3 f\u00e9nyvisszaver\u0151d\u00e9se miatt n\u00e9pszer\u0171 anyag exkluz\u00edv figur\u00e1k \u00e9s \u00e9kszerek k\u00e9sz\u00edt\u00e9s\u00e9hez.<\/li>\n\n\n\n<li style=\"line-height:1.3\"><strong>Eredet: <\/strong>A k\u0151 az azbeszt \u00e1sv\u00e1ny krokydolit \u00e1talakul\u00e1s\u00e1val keletkezik, amelyet fokozatosan kvarc t\u00f6lt ki. Eredeti sz\u00e1las szerkezete megmarad, ami vonz\u00f3 optikai hat\u00e1st kelt.<\/li>\n\n\n\n<li style=\"line-height:1.3\"><strong>El\u0151fordul\u00e1s:<\/strong> A legnagyobb lel\u0151helyek D\u00e9l-Afrik\u00e1ban, Ausztr\u00e1li\u00e1ban \u00e9s az USA-ban tal\u00e1lhat\u00f3k. Ez a k\u0151 a d\u00e9l-afrikai Prieska v\u00e1ros k\u00f6r\u00fcli b\u00e1ny\u00e1kb\u00f3l sz\u00e1rmazik.<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile\" style=\"grid-template-columns:16% auto\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_Ruzenin-1024x768.jpg\" alt=\"\" class=\"wp-image-328 size-full\" srcset=\"https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_Ruzenin-1024x768.jpg 1024w, https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_Ruzenin-300x225.jpg 300w, https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_Ruzenin-768x576.jpg 768w, https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_Ruzenin-1536x1152.jpg 1536w, https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_Ruzenin-16x12.jpg 16w, https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_Ruzenin.jpg 1573w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p><strong>PINK (<strong>D\u00e9l-Afrika.<\/strong>)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li style=\"line-height:1.3\"><strong>Jellemz\u0151k:<\/strong> A r\u00f3zsakvarc a kvarc vil\u00e1gos \u00e9s m\u00e9ly r\u00f3zsasz\u00edn\u0171 v\u00e1ltozata, amely gyakran tejszer\u0171. M\u00edg kor\u00e1bban \u00fagy gondolt\u00e1k, hogy a mang\u00e1n jelenl\u00e9te felel\u0151s a sz\u00edn\u00e9\u00e9rt, \u00fajabb tudom\u00e1nyos vizsg\u00e1latok kimutatt\u00e1k, hogy a sz\u00ednt val\u00f3j\u00e1ban a dumortierit \u00e1sv\u00e1ny finom z\u00e1rv\u00e1nyai okozz\u00e1k. A r\u00f3zsakvarc nagyon n\u00e9pszer\u0171 \u00e9kszerekben \u00e9s d\u00edsz\u00edt\u0151k\u00f6vekk\u00e9nt.<\/li>\n\n\n\n<li style=\"line-height:1.3\"><strong>Eredet: <\/strong>A pegmatit erek bels\u0151 r\u00e9szeiben k\u00e9pz\u0151dik, ahol lassan krist\u00e1lyosodik ki \u00e1sv\u00e1nyi oldatokb\u00f3l. A k\u0151 r\u00f3zsasz\u00edn sz\u00edne a napf\u00e9ny hat\u00e1s\u00e1ra fokozatosan kifakulhat.<\/li>\n\n\n\n<li style=\"line-height:1.3\"><strong>El\u0151fordul\u00e1s:<\/strong> A legt\u00f6bb r\u00f3zsakvarcot Braz\u00edli\u00e1ban \u00e9s Madagaszk\u00e1ron b\u00e1ny\u00e1ssz\u00e1k, de megtal\u00e1lhat\u00f3 az USA-ban, Indi\u00e1ban \u00e9s a Cseh K\u00f6zt\u00e1rsas\u00e1gban (pl. a Felvid\u00e9ken) is. Ez a k\u0151 Nam\u00edbia \u00e9s D\u00e9l-Afrika hat\u00e1r\u00e1n l\u00e9v\u0151 b\u00e1ny\u00e1kb\u00f3l sz\u00e1rmazik.<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile\" style=\"grid-template-columns:16% auto\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_Sodalit-1024x768.jpg\" alt=\"\" class=\"wp-image-329 size-full\" srcset=\"https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_Sodalit-1024x768.jpg 1024w, https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_Sodalit-300x225.jpg 300w, https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_Sodalit-768x576.jpg 768w, https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_Sodalit-1536x1153.jpg 1536w, https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_Sodalit-16x12.jpg 16w, https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_Sodalit.jpg 1743w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p><strong>SZODALIT (Nam\u00edbia)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li style=\"line-height:1.3\"><strong>Jellemz\u0151k:<\/strong> A szodalit egy k\u00e9k, n\u00e9ha k\u00e9k-feh\u00e9r vagy sz\u00fcrk\u00e9sk\u00e9k \u00e1sv\u00e1ny, amelyet gyakran \u00f6sszet\u00e9vesztenek a lazurittal. \u00c1tl\u00e1tszatlan, viaszos csillog\u00e1s\u00fa, \u00e9s nem t\u00fal kem\u00e9ny (a Mohs-sk\u00e1l\u00e1n 5,5-6-os kem\u00e9nys\u00e9get \u00e9r el). Sz\u00e9les k\u00f6rben haszn\u00e1lj\u00e1k exkluz\u00edv csemp\u00e9k \u00e9s \u00f3ri\u00e1si bels\u0151 szobrok k\u00e9sz\u00edt\u00e9s\u00e9re.<\/li>\n\n\n\n<li style=\"line-height:1.3\"><strong>Eredet:<\/strong> L\u00fagos magm\u00e1s k\u0151zetekben, k\u00fcl\u00f6n\u00f6sen szienitekben \u00e9s nefelinitekben k\u00e9pz\u0151dik, ahol alacsony szil\u00edciumtartalm\u00fa magma leh\u0171l\u00e9se sor\u00e1n alakul ki.<\/li>\n\n\n\n<li style=\"line-height:1.3\"><strong>El\u0151fordul\u00e1s:<\/strong> Gazdag lel\u0151helyek tal\u00e1lhat\u00f3k Kanad\u00e1ban (Ontario), Oroszorsz\u00e1gban, Nam\u00edbi\u00e1ban \u00e9s Gr\u00f6nlandon. A mi k\u00f6v\u00fcnk a nam\u00edbiai Kaokoland b\u00e1ny\u00e1kb\u00f3l sz\u00e1rmazik.<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile\" style=\"grid-template-columns:16% auto\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"971\" height=\"728\" src=\"https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_Ametyst_chevron.jpg\" alt=\"\" class=\"wp-image-331 size-full\" srcset=\"https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_Ametyst_chevron.jpg 971w, https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_Ametyst_chevron-300x225.jpg 300w, https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_Ametyst_chevron-768x576.jpg 768w, https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_Ametyst_chevron-16x12.jpg 16w\" sizes=\"auto, (max-width: 971px) 100vw, 971px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p><strong>CHEVRON AMETISZT (Zambia)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li style=\"line-height:1.3\"><strong>Jellemz\u0151k: <\/strong>A Chevron ametiszt az ametiszt egy vonz\u00f3 v\u00e1ltozata, amelyet jellegzetes V alak\u00fa cs\u00edkoz\u00e1sa jellemez. Az ametiszt lila sz\u00edn\u00e9t feh\u00e9r vagy sz\u00fcrke kvarcr\u00e9tegekkel kombin\u00e1lja. \u00dcveges csillog\u00e1s\u00fa \u00e9s \u00e1ltal\u00e1ban \u00e1ttetsz\u0151 vagy \u00e1tl\u00e1tsz\u00f3.<\/li>\n\n\n\n<li style=\"line-height:1.3\"><strong>Eredet: <\/strong>Ez a k\u0151 a szilik\u00e1toldatok k\u0151zet\u00fcregekbe t\u00f6rt\u00e9n\u0151 lerak\u00f3d\u00e1s\u00e1val j\u00f6n l\u00e9tre. E folyamat sor\u00e1n a vasat tartalmaz\u00f3, szil\u00edcium-dioxidban gazdag f\u00e1zisok (ametiszt) lerak\u00f3d\u00e1sa v\u00e1ltakozik a tejes kvarc tiszt\u00e1bb f\u00e1zisaival. Term\u00e9szetes sug\u00e1rz\u00e1s hat\u00e1s\u00e1ra a vasban gazdag f\u00e1zisok ametisztt\u00e9 alakulnak \u00e1t, \u00e9s elnyerik a jellegzetes lila sz\u00ednt. E f\u00e1zisok szab\u00e1lyos v\u00e1ltakoz\u00e1sa hozza l\u00e9tre a jellegzetes ny\u00edl alak\u00fa s\u00e1vokat.<\/li>\n\n\n\n<li style=\"line-height:1.3\"><strong>El\u0151fordul\u00e1s: <\/strong>Az \u00e9k alak\u00fa ametiszt fontos lel\u0151helyei Braz\u00edli\u00e1ban \u00e9s Zambi\u00e1ban tal\u00e1lhat\u00f3k, ahonnan a legjobb min\u0151s\u00e9g\u0171 darabok sz\u00e1rmaznak. Tov\u00e1bbi lel\u0151helyek vannak Nam\u00edbi\u00e1ban, Indi\u00e1ban, az USA-ban \u00e9s Oroszorsz\u00e1gban. Ez a k\u0151 Zambi\u00e1b\u00f3l sz\u00e1rmazik<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile\" style=\"grid-template-columns:16% auto\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"715\" height=\"537\" src=\"https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_Amazonit.jpg\" alt=\"\" class=\"wp-image-333 size-full\" srcset=\"https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_Amazonit.jpg 715w, https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_Amazonit-300x225.jpg 300w, https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_Amazonit-16x12.jpg 16w\" sizes=\"auto, (max-width: 715px) 100vw, 715px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p><strong>AMAZONIT (Madagaszk\u00e1r)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li style=\"line-height:1.3\"><strong>Jellemz\u0151k:<\/strong> Az amazonit, a mikroklin f\u00f6ldp\u00e1t egyik fajt\u00e1ja, a z\u00f6ldt\u0151l a t\u00fcrkizk\u00e9kig terjed\u0151 sz\u00edn\u0171 k\u0151. \u00dcveges csillog\u00e1s\u00fa, \u00e9s gyakran jellegzetes feh\u00e9r s\u00e1vokat vagy foltokat mutat.<\/li>\n\n\n\n<li style=\"line-height:1.3\"><strong>Eredet: <\/strong>Az amazonit gr\u00e1nitos pegmatitokban k\u00e9pz\u0151dik, amelyek k\u00e1liumban gazdag magma lass\u00fa leh\u0171l\u00e9s\u00e9vel j\u00f6nnek l\u00e9tre. A k\u00fcl\u00f6nleges k\u00f6r\u00fclm\u00e9nyek lehet\u0151v\u00e9 teszik, hogy nyomelemek - \u00e1ltal\u00e1ban \u00f3lom vagy nikkel - \u00e9p\u00fcljenek be a krist\u00e1lyba, ami z\u00f6ld sz\u00edn\u00e9t adja.<\/li>\n\n\n\n<li style=\"line-height:1.3\"><strong>El\u0151fordul\u00e1s: <\/strong>Az amazonit Angol\u00e1ban, Oroszorsz\u00e1gban (Ur\u00e1l-hegys\u00e9g), Braz\u00edli\u00e1ban \u00e9s az USA-ban (Colorado) tal\u00e1lhat\u00f3. A mi k\u00f6v\u00fcnk a madagaszk\u00e1ri Antsirabe v\u00e1ros melletti b\u00e1ny\u00e1kb\u00f3l sz\u00e1rmazik.<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile\" style=\"grid-template-columns:16% auto\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_Jaspis_cerveny-1024x768.jpg\" alt=\"\" class=\"wp-image-334 size-full\" srcset=\"https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_Jaspis_cerveny-1024x768.jpg 1024w, https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_Jaspis_cerveny-300x225.jpg 300w, https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_Jaspis_cerveny-768x576.jpg 768w, https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_Jaspis_cerveny-1536x1152.jpg 1536w, https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_Jaspis_cerveny-2048x1536.jpg 2048w, https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_Jaspis_cerveny-16x12.jpg 16w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p><strong>V\u00d6R\u00d6S J\u00c1SPIS (D\u00e9l-afrikai K\u00f6zt\u00e1rsas\u00e1g)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li style=\"line-height:1.3\"><strong>Jellemz\u0151k: <\/strong>A j\u00e1spis a kvarc egy \u00e1tl\u00e1tszatlan v\u00e1ltozata, \u00e9s jellegzetes v\u00f6r\u00f6s sz\u00edn\u00e9t a benne tal\u00e1lhat\u00f3 vas-oxidoknak k\u00f6sz\u00f6nheti. Gyakran feh\u00e9r foltok vagy cs\u00edkok mint\u00e1zata d\u00edsz\u00edti.<\/li>\n\n\n\n<li style=\"line-height:1.3\"><strong>Eredet:<\/strong> A k\u0151 vas\u00e1sv\u00e1nyokkal d\u00fas\u00edtott kov\u00e1s anyagok lerak\u00f3d\u00e1s\u00e1val keletkezik. Gyakran \u00fcled\u00e9kes medenc\u00e9kben rak\u00f3dik le. Vulk\u00e1ni eredet\u0171 is lehet, ahol a vasoxidok behatolnak a kov\u00e1s k\u0151zetekbe. Ezenk\u00edv\u00fcl hidroterm\u00e1lis folyamatok r\u00e9v\u00e9n is kialakulhat.<\/li>\n\n\n\n<li style=\"line-height:1.3\"><strong>El\u0151fordul\u00e1s: <\/strong>Jelent\u0151s lel\u0151helyek tal\u00e1lhat\u00f3k D\u00e9l-Afrik\u00e1ban, Indi\u00e1ban \u00e9s Braz\u00edli\u00e1ban. Az afrikai j\u00e1spis m\u00e9lyv\u00f6r\u00f6s sz\u00edn\u0171, gyakran feh\u00e9r kvarc cs\u00edkokkal kieg\u00e9sz\u00edtve. Ez a k\u0151 a d\u00e9l-afrikai Postmasburg v\u00e1ros\u00e1hoz k\u00f6zeli b\u00e1ny\u00e1kb\u00f3l sz\u00e1rmazik az \u00c9szak-Fokf\u00f6ld\u00f6n.<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile\" style=\"grid-template-columns:16% auto\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_Prehnit-1024x768.jpg\" alt=\"\" class=\"wp-image-335 size-full\" srcset=\"https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_Prehnit-1024x768.jpg 1024w, https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_Prehnit-300x225.jpg 300w, https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_Prehnit-768x576.jpg 768w, https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_Prehnit-1536x1152.jpg 1536w, https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_Prehnit-16x12.jpg 16w, https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_Prehnit.jpg 1738w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p><strong>PREHNIT (D\u00e9l-afrikai K\u00f6zt\u00e1rsas\u00e1g)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li style=\"line-height:1.3\"><strong>Jellemz\u0151k: <\/strong>A prehnit vil\u00e1gosz\u00f6ldt\u0151l a s\u00e1rg\u00e1sz\u00f6ldig terjed\u0151 sz\u00edn\u0171, gy\u00f6ngyh\u00e1zf\u00e9ny\u0171 \u00e1sv\u00e1ny. Szerkezete finom, gyakran \u00e1ttetsz\u0151. \u00c1ltal\u00e1ban g\u00f6mb alak\u00fa halmazok vagy k\u00e9reg form\u00e1j\u00e1ban fordul el\u0151. A prehnit nagyon n\u00e9pszer\u0171 gy\u0171jt\u0151i \u00e9s d\u00edszk\u0151k\u00e9nt.<\/li>\n\n\n\n<li style=\"line-height:1.3\"><strong>Eredet: <\/strong>A bazaltok \u00e9s m\u00e1s vulk\u00e1ni k\u0151zetek \u00fcregeiben k\u00e9pz\u0151dik. Kialakul\u00e1sa hidroterm\u00e1lis tev\u00e9kenys\u00e9ggel f\u00fcgg \u00f6ssze, ahol a forr\u00f3 oldatok \u00e1sv\u00e1nyokat raknak le a nyitott terekben. Gyakran olyan \u00e1sv\u00e1nyokkal egy\u00fctt fordul el\u0151, mint a zeolit, a kalcit vagy az epidot.<\/li>\n\n\n\n<li style=\"line-height:1.3\"><strong>El\u0151fordul\u00e1s: <\/strong>A legh\u00edresebb lel\u0151hely D\u00e9l-Afrik\u00e1ban (Kap tartom\u00e1ny) tal\u00e1lhat\u00f3. Tov\u00e1bbi fontos lel\u0151helyek tal\u00e1lhat\u00f3k Ausztr\u00e1li\u00e1ban, az USA-ban \u00e9s K\u00edn\u00e1ban. A mi k\u00f6v\u00fcnk D\u00e9l-Afrik\u00e1b\u00f3l sz\u00e1rmazik.<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile\" style=\"grid-template-columns:16% auto\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"778\" src=\"https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_achat_sedy-1024x778.jpg\" alt=\"\" class=\"wp-image-337 size-full\" srcset=\"https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_achat_sedy-1024x778.jpg 1024w, https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_achat_sedy-300x228.jpg 300w, https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_achat_sedy-768x583.jpg 768w, https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_achat_sedy-1536x1166.jpg 1536w, https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_achat_sedy-16x12.jpg 16w, https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_achat_sedy.jpg 1629w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p><strong>SZ\u00dcRKE BOTSWANAI ACH\u00c1T (Botswana)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li style=\"line-height:1.3\"><strong>Jellemz\u0151k: <\/strong>A botswanai ach\u00e1tok n\u00e9pszer\u0171ek finom s\u00e1voz\u00e1suk, jellegzetes text\u00far\u00e1juk \u00e9s gazdag sz\u00ednv\u00e1laszt\u00e9kuk miatt. A gy\u0171jt\u0151k \u00e9s \u00e9kszer\u00e9szek \u00e1ltal legink\u00e1bb keresett a sz\u00fcrke ach\u00e1tok felt\u0171n\u0151 feh\u00e9r cs\u00edkokkal.<\/li>\n\n\n\n<li style=\"line-height:1.3\"><strong>Eredet:<\/strong> A botswanai ach\u00e1tok 190-200 milli\u00f3 \u00e9vvel ezel\u0151tt vulkanikus tev\u00e9kenys\u00e9g sor\u00e1n keletkeztek. A kih\u0171l\u0151 l\u00e1v\u00e1ban g\u00e1zbubor\u00e9kos \u00fcregek keletkeztek, amelyeket azt\u00e1n szil\u00edciumban \u00e9s m\u00e1s \u00e1sv\u00e1nyi anyagokban gazdag v\u00edzzel t\u00f6lt\u00f6ttek fel. A szilik\u00e1t\u00e1sv\u00e1nyok fokozatos lerak\u00f3d\u00e1sa hozta l\u00e9tre az ach\u00e1tok jellegzetes s\u00e1vosod\u00e1s\u00e1t. A k\u00e9miai \u00f6sszet\u00e9tel, a h\u0151m\u00e9rs\u00e9klet \u00e9s a nyom\u00e1s azt\u00e1n befoly\u00e1solta a kialakult sz\u00edneket \u00e9s mint\u00e1zatokat.<\/li>\n\n\n\n<li style=\"line-height:1.3\"><strong>El\u0151fordul\u00e1s: <\/strong>A botswanai ach\u00e1tok f\u0151 lel\u0151helyei a zimbabwei hat\u00e1r k\u00f6zel\u00e9ben fekv\u0151 Bobonong v\u00e1ros k\u00f6rny\u00e9k\u00e9n tal\u00e1lhat\u00f3k. Az ach\u00e1tok megtal\u00e1lhat\u00f3k az \u0151shonos szikl\u00e1kban, a felsz\u00ednen szabadon id\u0151j\u00e1r\u00e1si viszonyok k\u00f6z\u00f6tt, vagy foly\u00f3medrekben.<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile\" style=\"grid-template-columns:16% auto\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_Granat_matrix-1024x768.jpg\" alt=\"\" class=\"wp-image-339 size-full\" srcset=\"https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_Granat_matrix-1024x768.jpg 1024w, https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_Granat_matrix-300x225.jpg 300w, https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_Granat_matrix-768x576.jpg 768w, https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_Granat_matrix-1536x1152.jpg 1536w, https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_Granat_matrix-16x12.jpg 16w, https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Afrika_sada_troml_Granat_matrix.jpg 1717w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p><strong>MATRIX GR\u00c1N\u00c1T (Nam\u00edbia)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li style=\"line-height:1.3\"><strong>Jellemz\u0151k:<\/strong> A gr\u00e1n\u00e1t az \u00e1sv\u00e1nyok egy eg\u00e9sz csoportj\u00e1t k\u00e9pviseli, amelyek sz\u00edne a v\u00f6r\u00f6s sz\u00ednt\u0151l a barn\u00e1n \u00e1t a z\u00f6ldig nagyon v\u00e1ltozatos lehet. Az alapk\u0151zetbe (m\u00e1trixba) z\u00e1rt gr\u00e1n\u00e1t nagyon vonz\u00f3 kombin\u00e1ci\u00f3kat eredm\u00e9nyez, \u00e9s gyakran j\u00f3l l\u00e1that\u00f3 krist\u00e1lyform\u00e1kkal jelenik meg. Sz\u00e9ps\u00e9ge \u00e9s v\u00e1ltozatoss\u00e1ga miatt a gr\u00e1n\u00e1t mind az \u00e9kszeriparban, mind gy\u0171jt\u0151k\u0151k\u00e9nt n\u00e9pszer\u0171.<\/li>\n\n\n\n<li style=\"line-height:1.3\"><strong>Eredet: <\/strong>A gr\u00e1n\u00e1t a k\u0151zetek nagy nyom\u00e1s \u00e9s h\u0151m\u00e9rs\u00e9klet alatti metamorf\u00f3zisa sor\u00e1n krist\u00e1lyosodik ki. Els\u0151sorban az agyagk\u00f6vek k\u0151zetekre \u00e9s szikl\u00e1kra t\u00f6rt\u00e9n\u0151 \u00e1talakul\u00e1sa sor\u00e1n keletkezik. Ez az \u00e1sv\u00e1ny gyakran j\u00f3l fejlett, tizenk\u00e9tfal\u00fa krist\u00e1lyok form\u00e1j\u00e1ban jelenik meg. A gr\u00e1n\u00e1t jelenl\u00e9te az anyak\u0151zetben (m\u00e1trixban) ilyenkor vonz\u00f3 kontrasztot alkot a k\u00f6rnyez\u0151 alapk\u0151zethez k\u00e9pest.<\/li>\n\n\n\n<li style=\"line-height:1.3\"><strong>El\u0151fordul\u00e1s: <\/strong>A gr\u00e1n\u00e1t a vil\u00e1g minden t\u00e1j\u00e1n megtal\u00e1lhat\u00f3 k\u0151zetekben. Ahol az anyak\u0151zet id\u0151j\u00e1r\u00e1sf\u00fcgg\u0151, ott a gr\u00e1n\u00e1t felszabadul, \u00e9s az \u00fcled\u00e9kbe ker\u00fcl, ahol felhalmoz\u00f3dik. Ez olyan helyeken hoz l\u00e9tre b\u00e1ny\u00e1szhat\u00f3 lel\u0151helyeket, mint Tanz\u00e1nia, India \u00e9s a Cseh K\u00f6zt\u00e1rsas\u00e1g. A mi k\u00f6v\u00fcnk Nam\u00edbi\u00e1b\u00f3l sz\u00e1rmazik, \u00e9s egyed\u00fcl\u00e1ll\u00f3 abban a tekintetben, hogy az anyak\u0151zetben tal\u00e1lhat\u00f3 barna gr\u00e1n\u00e1t grosula p\u00e9ld\u00e1it \u0151rzi.<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"899\" height=\"1024\" src=\"https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Mapa-AFRIKA-899x1024.jpg\" alt=\"\" class=\"wp-image-357\" srcset=\"https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Mapa-AFRIKA-899x1024.jpg 899w, https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Mapa-AFRIKA-263x300.jpg 263w, https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Mapa-AFRIKA-768x874.jpg 768w, https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Mapa-AFRIKA-1349x1536.jpg 1349w, https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Mapa-AFRIKA-1799x2048.jpg 1799w, https:\/\/mincool.org\/wp-content\/uploads\/2025\/08\/Mapa-AFRIKA-11x12.jpg 11w\" sizes=\"auto, (max-width: 899px) 100vw, 899px\" \/><\/figure>","protected":false},"excerpt":{"rendered":"<p>Fedezze fel vel\u00fcnk egy\u00fctt az afrikai kontinenst, ahol a vil\u00e1g legr\u00e9gebbi \u00e9s leggazdagabb geol\u00f3giai lel\u0151helyei k\u00f6z\u00e9 tartozik. Ez az egyed\u00fcl\u00e1ll\u00f3, bukott k\u00f6vekb\u0151l \u00e1ll\u00f3 gy\u0171jtem\u00e9ny bepillant\u00e1st enged abba a leny\u0171g\u00f6z\u0151 \u00e1sv\u00e1nyi gazdags\u00e1gba, amelyet ez a leny\u0171g\u00f6z\u0151 kontinens rejt. A k\u00e9szlet minden egyes k\u00f6ve k\u00e9zzelfoghat\u00f3 eml\u00e9ket \u00e1ll\u00edt az afrikai t\u00e1jr\u00f3l, \u00e9s \u00fczenetet hordoz bolyg\u00f3nk eredet\u00e9r\u0151l \u00e9s erej\u00e9r\u0151l.<\/p>","protected":false},"author":1,"featured_media":322,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[],"class_list":["post-271","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-category-2"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/mincool.org\/hu\/wp-json\/wp\/v2\/posts\/271","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mincool.org\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mincool.org\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mincool.org\/hu\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mincool.org\/hu\/wp-json\/wp\/v2\/comments?post=271"}],"version-history":[{"count":13,"href":"https:\/\/mincool.org\/hu\/wp-json\/wp\/v2\/posts\/271\/revisions"}],"predecessor-version":[{"id":591,"href":"https:\/\/mincool.org\/hu\/wp-json\/wp\/v2\/posts\/271\/revisions\/591"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mincool.org\/hu\/wp-json\/wp\/v2\/media\/322"}],"wp:attachment":[{"href":"https:\/\/mincool.org\/hu\/wp-json\/wp\/v2\/media?parent=271"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mincool.org\/hu\/wp-json\/wp\/v2\/categories?post=271"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mincool.org\/hu\/wp-json\/wp\/v2\/tags?post=271"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}