{"id":75,"date":"2024-04-04T06:11:41","date_gmt":"2024-04-04T03:11:41","guid":{"rendered":"https:\/\/sisu.ut.ee\/mineraalid-ja-kivimid\/kaltsedon\/"},"modified":"2024-04-04T06:13:05","modified_gmt":"2024-04-04T03:13:05","slug":"kaltsedon","status":"publish","type":"page","link":"https:\/\/sisu.ut.ee\/mineraalid-ja-kivimid\/kaltsedon\/","title":{"rendered":"Kaltsedon"},"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>Kaltsedon<\/b>\u00a0\u2013 r\u00e4nioksiid SiO<sub>2<\/sub>. Peitkristalset kvartsi nimetatkse tavaliselt\u00a0<b>kaltsedoniks<\/b>\u00a0(foto 1 \u2013 5), mis v\u00f5ib olla v\u00e4rvunud v\u00e4ga mitmesuguselt \u2013 hallikalt, sinakalt, kollakalt, pruunikalt, punaselt, rohekalt jne. Vastavalt v\u00e4rvusele on antud ka nendele eri nimetused: serdoolik \u2013 punane, plasma \u2013 roheline (foto 5), karneool \u2013 lihapruun (foto 6, 7), oon\u00fcks \u2013 mustvalgete kontrastsete v\u00f6\u00f6tmetega (foto 8), jne. Sardoon\u00fcks on pruuni ja valgetriibuline oon\u00fcks, kaltsedoni teisend, poolv\u00e4\u00e4riskivi (foto 9).<\/font><\/font>\n<\/p>\n<p>\n\t<font face=\"Arial\">V\u00f6\u00f6lise ehitusega kaltsedonid on tuntud\u00a0<b>ahhaatidena<\/b>\u00a0(fotod 10, 11, 12). Neis vaheldub eriv\u00e4rviline kaltsedon \u00f5hukeste paralleelsete kihikestena. V\u00e4rvirikkuselt ja v\u00f6\u00f6liselt ehituselt on ahhaatidele sarnased\u00a0<b>jaspised<\/b>\u00a0(foto 13), milles aga vahelduvad peenekristallilise kvartsi ja kaltsedoni v\u00f6\u00f6kesed koos pigmenteerivate raudhapenditega.<\/font>\n<\/p>\n<p>\n\t<font face=\"Arial\"><b>K\u00f5vadus 7<\/b><\/font>\n<\/p>\n<p>\n\t<img loading=\"lazy\" decoding=\"async\" width=\"91\" height=\"120\" class=\"alignnone wp-image-303\" src=\"https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/431\/kaltsedon2a.jpg\" title=\"kaltsedon2a.jpg\" alt=\"kaltsedon\">\u00a0<img loading=\"lazy\" decoding=\"async\" width=\"120\" height=\"89\" class=\"alignnone wp-image-304\" src=\"https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/431\/kaltsedon3a.jpg\" title=\"kaltsedon3a.jpg\" alt=\"kaltsedon\">\u00a0<img loading=\"lazy\" decoding=\"async\" width=\"120\" height=\"92\" class=\"alignnone wp-image-305\" src=\"https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/431\/kaltsedon4a.jpg\" title=\"kaltsedon4a.jpg\" alt=\"kaltsedon\">\n<\/p>\n<p>\n\t<font face=\"Arial\">Foto 1, 2, 3. Kaltsedon<\/font>\n<\/p>\n<p>\n\t<img loading=\"lazy\" decoding=\"async\" width=\"59\" height=\"120\" class=\"alignnone wp-image-306\" src=\"https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/431\/kaltsedon1a.jpg\" title=\"kaltsedon1a.jpg\" alt=\"kaltsedon\">\n<\/p>\n<p>\n\t<font face=\"Arial\">Foto 4. Kaltsedon, Poola, P\u00fcha Risti m\u00e4ed<\/font>\n<\/p>\n<p>\n\t<img loading=\"lazy\" decoding=\"async\" width=\"120\" height=\"106\" class=\"alignnone wp-image-307\" src=\"https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/431\/plasma1a.jpg\" title=\"plasma1a.jpg\" alt=\"plasma\">\n<\/p>\n<p>\n\t<font face=\"Arial\">Foto 5. Plasma, roheline kaltsedon<\/font>\n<\/p>\n<p>\n\t<img loading=\"lazy\" decoding=\"async\" width=\"120\" height=\"100\" class=\"alignnone wp-image-308\" src=\"https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/431\/karneool1a.jpg\" title=\"karneool1a.jpg\" alt=\"karneool\">\u00a0<img loading=\"lazy\" decoding=\"async\" width=\"120\" height=\"102\" class=\"alignnone wp-image-309\" src=\"https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/431\/karneool2a.jpg\" title=\"karneool2a.jpg\" alt=\"karneool\">\n<\/p>\n<p>\n\t<font face=\"Arial\">Foto 6, 7. Karneool, lihapruun kaltsedon<\/font>\n<\/p>\n<p>\n\t<img loading=\"lazy\" decoding=\"async\" width=\"120\" height=\"94\" class=\"alignnone wp-image-310\" src=\"https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/431\/oonyx1a.jpg\" title=\"oonyx1a.jpg\" alt=\"oonyks\"><br><font face=\"Arial\">Foto 8. Oon\u00fcks<\/font>\n<\/p>\n<p>\n\t<img loading=\"lazy\" decoding=\"async\" width=\"120\" height=\"85\" class=\"alignnone wp-image-311\" src=\"https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/431\/sardoonyx1a.jpg\" title=\"sardoonyx1a.jpg\" alt=\"sardoonyks\"><br><font face=\"Arial\">Foto 9. Sardoon\u00fcks<\/font>\n<\/p>\n<p>\n\t<img loading=\"lazy\" decoding=\"async\" width=\"104\" height=\"120\" class=\"alignnone wp-image-312\" src=\"https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/431\/ahhaat1a.jpg\" title=\"ahhaat1a.jpg\" alt=\"ahhaat\">\u00a0<img loading=\"lazy\" decoding=\"async\" width=\"120\" height=\"105\" class=\"alignnone wp-image-313\" src=\"https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/431\/ahhaat3a.jpg\" title=\"ahhaat3a.jpg\" alt=\"ahhaat\"><br><font face=\"Arial\">Foto 10, 11. Ahhaat, Brasiilia<\/font>\n<\/p>\n<p>\n\t<img loading=\"lazy\" decoding=\"async\" width=\"120\" height=\"107\" class=\"alignnone wp-image-314\" src=\"https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/431\/ahhaat2a.jpg\" title=\"ahhaat2a.jpg\" alt=\"ahhaat\">\n<\/p>\n<p>\n\t<font face=\"Arial\">Foto 10. Ahhaat, Saksamaa, Fischbachtal, Idar-Oberstein<\/font>\n<\/p>\n<p>\n\t<img loading=\"lazy\" decoding=\"async\" width=\"120\" height=\"103\" class=\"alignnone wp-image-315\" src=\"https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/431\/jaspis1a.jpg\" title=\"jaspis1a.jpg\" alt=\"jaspis\">\n<\/p>\n<p>\n\t<font face=\"Arial\">Foto 11. Jaspis, P\u00f5hja-Ameerika<\/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>Kaltsedon\u00a0\u2013 r\u00e4nioksiid SiO2. Peitkristalset kvartsi nimetatkse tavaliselt\u00a0kaltsedoniks\u00a0(foto 1 \u2013 5), mis v\u00f5ib olla v\u00e4rvunud v\u00e4ga mitmesuguselt \u2013 hallikalt, sinakalt, kollakalt, pruunikalt, punaselt, rohekalt jne. Vastavalt v\u00e4rvusele on antud ka nendele eri nimetused: serdoolik \u2013 punane, plasma \u2013 roheline (foto 5), &#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-75","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/sisu.ut.ee\/mineraalid-ja-kivimid\/wp-json\/wp\/v2\/pages\/75","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=75"}],"version-history":[{"count":1,"href":"https:\/\/sisu.ut.ee\/mineraalid-ja-kivimid\/wp-json\/wp\/v2\/pages\/75\/revisions"}],"predecessor-version":[{"id":784,"href":"https:\/\/sisu.ut.ee\/mineraalid-ja-kivimid\/wp-json\/wp\/v2\/pages\/75\/revisions\/784"}],"wp:attachment":[{"href":"https:\/\/sisu.ut.ee\/mineraalid-ja-kivimid\/wp-json\/wp\/v2\/media?parent=75"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}