{"id":82,"date":"2024-04-04T06:11:42","date_gmt":"2024-04-04T03:11:42","guid":{"rendered":"https:\/\/sisu.ut.ee\/mineraalid-ja-kivimid\/vilgud\/"},"modified":"2024-04-04T06:13:05","modified_gmt":"2024-04-04T03:13:05","slug":"vilgud","status":"publish","type":"page","link":"https:\/\/sisu.ut.ee\/mineraalid-ja-kivimid\/vilgud\/","title":{"rendered":"Vilgud"},"content":{"rendered":"<p>\n\t<font face=\"Arial\"><font style=\"medium;font-style:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none\"><b>Vilkude<\/b>\u00a0seas eraldatakse kahte p\u00f5hit\u00fc\u00fcpi:<\/font><\/font>\n<\/p>\n<ul>\n<li>\n<p>\n\t\t\t<a data-url=\"https:\/\/sisu.ut.ee\/mineraalid-ja-kivimid\/biotiit\" href=\"https:\/\/sisu.ut.ee\/mineraalid-ja-kivimid\/biotiit\" target=\"_blank\" title=\"\" rel=\"noopener\">tumedad raua- ja magneesiumirikkad vilgud \u2013 biotiit (foto 1) ja flogopiit (foto 2)<\/a>\n\t\t<\/p>\n<\/li>\n<li>\n<p>\n\t\t\t<a data-url=\"https:\/\/sisu.ut.ee\/mineraalid-ja-kivimid\/muskoviit\" href=\"https:\/\/sisu.ut.ee\/mineraalid-ja-kivimid\/muskoviit\" target=\"_blank\" title=\"\" rel=\"noopener\">alumiiniumirikkad vilgud \u2013 muskoviit (foto 3)<\/a>\n\t\t<\/p>\n<\/li>\n<\/ul>\n<p>\n\t<font face=\"Arial\">Vilgud moodustavad maakoorest umbes 3,5%. Vilgud on kivimit moodustavateks mineraalideks paljudes magma- ja moondekivimites. Vilkudele on iseloomulik \u00fclit\u00e4iuslik l\u00f5henevus \u00fches suunas, mist\u00f5ttu nad lagunevad v\u00e4ga \u00f5hukesteks lehekesteks (foto 4).<\/font>\n<\/p>\n<p>\n\t<font face=\"Arial\">Suurte plaatidena esineb vilku ainult\u00a0<\/font><a data-url=\"https:\/\/sisu.ut.ee\/mineraalid-ja-kivimid\/pegmatiit\" href=\"https:\/\/sisu.ut.ee\/mineraalid-ja-kivimid\/pegmatiit\" target=\"_blank\" title=\"\" rel=\"noopener\">pegmatiitides<\/a><font face=\"Arial\">.\u00a0<\/font><a data-url=\"https:\/\/sisu.ut.ee\/mineraalid-ja-kivimid\/graniit\" href=\"https:\/\/sisu.ut.ee\/mineraalid-ja-kivimid\/graniit\" target=\"_blank\" title=\"\" rel=\"noopener\">Graniidis<\/a><font face=\"Arial\">,\u00a0<\/font><a data-url=\"https:\/\/sisu.ut.ee\/mineraalid-ja-kivimid\/gneiss\" href=\"https:\/\/sisu.ut.ee\/mineraalid-ja-kivimid\/gneiss\" target=\"_blank\" title=\"\" rel=\"noopener\">gneisis<\/a><font face=\"Arial\">\u00a0ja\u00a0<\/font><a data-url=\"https:\/\/sisu.ut.ee\/mineraalid-ja-kivimid\/kildad\" href=\"https:\/\/sisu.ut.ee\/mineraalid-ja-kivimid\/kildad\" target=\"_blank\" title=\"\" rel=\"noopener\">vilgukildas<\/a><font face=\"Arial\">\u00a0on seda tavaliselt peente soomuseliste lehekestena. M\u00f5nikord sisaldavad rohkesti vilku ka\u00a0<\/font><a data-url=\"https:\/\/sisu.ut.ee\/mineraalid-ja-kivimid\/liivakivi\" href=\"https:\/\/sisu.ut.ee\/mineraalid-ja-kivimid\/liivakivi\" target=\"_blank\" title=\"\" rel=\"noopener\">liivakivid<\/a><font face=\"Arial\">\u00a0\u2013 n\u00e4iteks\u00a0<b>Eesti<\/b>\u00a0Devoni punases liivakivis tuleb tihti ette helehalle v\u00f5i rohekaid vilgurikkaid l\u00e4\u00e4tsi.<\/font>\n<\/p>\n<p>\n\t<font face=\"Arial\">\u00f5hukesi l\u00e4bipaistvaid muskoviidiplaate kasutati vanasti aknaklaasi asemel.<\/font>\n<\/p>\n<p>\n\t<font face=\"Arial\"><b>K\u00f5vadus 3,0 \u2013 3,1<\/b><\/font>\n<\/p>\n<p>\n\t<img loading=\"lazy\" decoding=\"async\" width=\"120\" height=\"68\" class=\"alignnone wp-image-333\" src=\"https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/431\/biotiit1a.jpg\" title=\"biotiit1a.jpg\" alt=\"biotiit\"><br><font face=\"Arial\">Foto 1. Biotiidi tahveljas kristall<\/font>\n<\/p>\n<p>\n\t<img loading=\"lazy\" decoding=\"async\" width=\"120\" height=\"92\" class=\"alignnone wp-image-337\" src=\"https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/431\/vilk1a.jpg\" title=\"vilk1a.jpg\" alt=\"flogopiid\"><br><font face=\"Arial\">Foto 2. Flogopiidi kristall<\/font>\n<\/p>\n<p>\n\t<img loading=\"lazy\" decoding=\"async\" width=\"120\" height=\"92\" class=\"alignnone wp-image-335\" src=\"https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/431\/muskoviit1a.jpg\" title=\"muskoviit1a.jpg\" alt=\"muskoviit\"><br><font face=\"Arial\">Foto 3. Hallikas-valge muskoviit<\/font>\n<\/p>\n<p>\n\t<img loading=\"lazy\" decoding=\"async\" width=\"115\" height=\"120\" class=\"alignnone wp-image-336\" src=\"https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/431\/muskoviit3a.jpg\" title=\"muskoviit3a.jpg\" alt=\"muskoviit\"><br><font face=\"Arial\">Foto 4. Peaaegu l\u00e4bipaistev \u00f5huke muskoviidi leheke<\/font>\n<\/p>\n<p style=\"text-align:start\">\n\t<br><span><span style=\"color:#000000\"><span><span style=\"font-style:normal\"><span><span><span style=\"font-weight:400\"><span style=\"letter-spacing:normal\"><span><span style=\"text-transform:none\"><span><span><span><span><span>Koostanud ja fotografeerinud \u00a9 2003 Mare Isakar<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Vilkude\u00a0seas eraldatakse kahte p\u00f5hit\u00fc\u00fcpi: tumedad raua- ja magneesiumirikkad vilgud \u2013 biotiit (foto 1) ja flogopiit (foto 2) alumiiniumirikkad vilgud \u2013 muskoviit (foto 3) Vilgud moodustavad maakoorest umbes 3,5%. Vilgud on kivimit moodustavateks mineraalideks paljudes magma- ja moondekivimites. Vilkudele on iseloomulik &#8230;<\/p>\n","protected":false},"author":226,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-82","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/sisu.ut.ee\/mineraalid-ja-kivimid\/wp-json\/wp\/v2\/pages\/82","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sisu.ut.ee\/mineraalid-ja-kivimid\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sisu.ut.ee\/mineraalid-ja-kivimid\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sisu.ut.ee\/mineraalid-ja-kivimid\/wp-json\/wp\/v2\/users\/226"}],"replies":[{"embeddable":true,"href":"https:\/\/sisu.ut.ee\/mineraalid-ja-kivimid\/wp-json\/wp\/v2\/comments?post=82"}],"version-history":[{"count":1,"href":"https:\/\/sisu.ut.ee\/mineraalid-ja-kivimid\/wp-json\/wp\/v2\/pages\/82\/revisions"}],"predecessor-version":[{"id":770,"href":"https:\/\/sisu.ut.ee\/mineraalid-ja-kivimid\/wp-json\/wp\/v2\/pages\/82\/revisions\/770"}],"wp:attachment":[{"href":"https:\/\/sisu.ut.ee\/mineraalid-ja-kivimid\/wp-json\/wp\/v2\/media?parent=82"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}