{"id":2279,"date":"2025-10-01T14:22:22","date_gmt":"2025-10-01T14:22:22","guid":{"rendered":"https:\/\/dfoto.pl\/?page_id=2279"},"modified":"2025-10-01T22:49:27","modified_gmt":"2025-10-01T22:49:27","slug":"ii-d-siarczki-metali-o-stosunku-ms-34-i-23","status":"publish","type":"page","link":"https:\/\/dfoto.pl\/index.php\/about\/mineraly\/ii-siarczki-i-siarkosole\/ii-d-siarczki-metali-o-stosunku-ms-34-i-23\/","title":{"rendered":"II\/D \u2013 Siarczki metali o stosunku M:S = 3:4 i 2:3"},"content":{"rendered":"<p><strong>Grupa II\/D (Nickel\u2013Strunz \/ Strunz 2025) \u2013 Siarczki metali o stosunku M:S = 3:4 i 2:3<\/strong> obejmuje zwi\u0105zki, w kt\u00f3rych liczba kation\u00f3w metali (M) do anion\u00f3w siarki (S) wynosi odpowiednio <strong>3:4<\/strong> lub <strong>2:3<\/strong>; w obr\u0119bie dzia\u0142u wyr\u00f3\u017cnia si\u0119 podgrupy<\/p>\n<ul>\n<li><strong>2.DA (M:S = 3:4)<\/strong>,<\/li>\n<li><strong>2.DB (M:S = 2:3)<\/strong><\/li>\n<li><strong>2.DC (zmienny M:S)<\/strong>.<\/li>\n<\/ul>\n<p>Do 2.DA nale\u017c\u0105 tzw. \u201etiospinele\u201d o typie strukturalnym zbli\u017conym do spinele, np. <strong>carrollit<\/strong> (CuCo\u2082S\u2084), <strong>linnaeite<\/strong> (Co\u2083S\u2084), <strong>polydymit<\/strong> (Ni\u2083S\u2084), <strong>greigit<\/strong> (Fe\u2083S\u2084) czy <strong>daubreelit<\/strong> (FeCr\u2082S\u2084). Minera\u0142y te s\u0105 zwykle nieprzezroczyste, o metalicznym po\u0142ysku, wysokiej g\u0119sto\u015bci; powstaj\u0105 g\u0142\u00f3wnie w \u015brodowiskach magmowych (maficzno-ultrazasadowych) i hydrotermalnych, cz\u0119sto towarzysz\u0105c rudom Ni\u2013Co\u2013Cu.<\/p>\n<p>Podgrupa <strong>2.DB (M:S = 2:3)<\/strong> obejmuje m.in. klasyczne siarczki i selenki p\u00f3\u0142metali, takie jak <strong>antymonit\/stibnit<\/strong> (Sb\u2082S\u2083), <strong>metastibnit<\/strong> (Sb\u2082S\u2083 \u2013 polimorf), <strong>bizmutenit<\/strong> (Bi\u2082S\u2083), <strong>guanajuatyt<\/strong> (Bi\u2082Se\u2083) czy <strong>ottemannit<\/strong> (Sn\u2082S\u2083). Wiele z nich ma znaczenie surowcowe (np. stibnit jako g\u0142\u00f3wna ruda antymonu) i powstaje w \u017cy\u0142ach hydrotermalnych w szerokim zakresie temperatur. Podsumowuj\u0105c, dzia\u0142 2.D grupuje \u201emetalicznie ubogie\u201d siarczki mi\u0119dzy klasycznymi proporcjami 1:1 a 1:2, porz\u0105dkuj\u0105c je wed\u0142ug relacji M:S oraz typu struktury.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Grupa II\/D (Nickel\u2013Strunz \/ Strunz 2025) \u2013 Siarczki metali o stosunku M:S = 3:4 i 2:3 obejmuje zwi\u0105zki, w kt\u00f3rych&hellip; <\/p>\n","protected":false},"author":1,"featured_media":0,"parent":2241,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"give_campaign_id":0,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"class_list":["post-2279","page","type-page","status-publish","hentry"],"aioseo_notices":[],"campaignId":"","_links":{"self":[{"href":"https:\/\/dfoto.pl\/index.php\/wp-json\/wp\/v2\/pages\/2279","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dfoto.pl\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/dfoto.pl\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/dfoto.pl\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dfoto.pl\/index.php\/wp-json\/wp\/v2\/comments?post=2279"}],"version-history":[{"count":3,"href":"https:\/\/dfoto.pl\/index.php\/wp-json\/wp\/v2\/pages\/2279\/revisions"}],"predecessor-version":[{"id":2302,"href":"https:\/\/dfoto.pl\/index.php\/wp-json\/wp\/v2\/pages\/2279\/revisions\/2302"}],"up":[{"embeddable":true,"href":"https:\/\/dfoto.pl\/index.php\/wp-json\/wp\/v2\/pages\/2241"}],"wp:attachment":[{"href":"https:\/\/dfoto.pl\/index.php\/wp-json\/wp\/v2\/media?parent=2279"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}