Miyala mikanda - zodzikongoletsera, olengedwa mwa chibadwa

Natural matanthwe - ndi ndi pawiri organic ongokhala kashiamu carbonate, zosafunika magnesium ndi chitsulo okusayidi. Chimakula pang'onopang'ono - seveni masentimita pa chaka. Osaya madzi ngale zimapezeka pa akuya pafupifupi atatu yakuya mamita ndipo akhoza ili pa akuya mamita oposa mazana atatu. Ngakhale izi, iwo akwanitsa yotengedwa zedi chofunika.

Miyala mtundu zimadalira kuchuluka ndi zikuchokera mankhwala organic. Ambiri ali oyera, pinki ndi wofiira. Porous matanthwe kwambiri nyanja ndi mtengo kwambiri. Amaona chofunika kwambiri matanthwe wakuda.

Ofufuza ndi akatswiri amanena kuti m'chilengedwe pali zoposa 3500 mitundu ya miyala yamtengo wapatali, ndi malankhulidwe 350. Koma sindikuganiza kuti onsewo ntchito kupanga zibangili. Ambiri a iwo akutumikira monga feedstock kwa kupanga laimu. Jewelers komanso timaliyamikira kwambiri wakuda matanthwe, amene ncho ku India ndi China, ngale-siliva ( "mngelo khungu") ndi woyera. Wotchuka kwambiri ndipo amagwiritsidwa ntchito amaonedwa kukhala mfulu ofiira ndi pinki tione.

Mwatsoka, mtengo wa miyala yamtengo wapatali zachilengedwe zambiri kumayambitsa chinyengo. Nthawi zambiri, kugulitsa angapezeke mu mikanda pulasitiki "pa matanthwe" kapena papezeka, koma mwala yotchipa. Samalani pamene kugula! Pulasitiki kapena akuda galasi ndi yozizira, zolimba matanthwe.

Zibangili ndi mikanda ya matanthwe ndi katungulume - Pankhaniyi mankhwala mosamala osankhidwa tating'ono ting'ono. Komanso, iwo akhoza mbamuikha. Kawirikawiri njira imeneyi ntchito kupanga mankhwala lalikulu lozungulira.

mikanda Miyala ndi yokongoletsera ngakhale kalelo. Tinthu matanthwe pinki ndi ofukula pa zofukulidwa m'manda nthawi Paleolithic. Agiriki akale ankakhulupirira kuti matanthwe pinki kumabweretsa chimwemwe ndi moyo wautali, amachotsa mavuto munthu ndi kumupanga iye nzeru. Ku Ulaya nthawi ya Middle mikanda matanthwe ankatengedwa chizindikiro cha chiyero. Mexico Indians akukhulupirirabe chokongoletsera ichi amatha kupherera mizimu yoipa kuti amayambitsa kutentha thupi.

Miyala yamtengo wapatali ndi waphimbika mu nthano zambiri, zikhulupiriro wowerengeka ndi kutsatira. Kuyambira kalekale anthu akhala akukhulupirira kuti mikanda matanthwe kwathunthu kuthetsa kupweteka zilonda zapakhosi. Ndipo kwa apaulendo zokongoletsera zina ndi zina chabe, chifukwa iwo umateteza wovalayo ku masoka achilengedwe ndi chiwawa.

Jewelers kuzindikira ngale ndi kugwira ntchito ndi iwo. Miyala mikanda - ndi zodzikongoletsera tingachipeze powerenga, ngakhale limodzi nthawi zambiri tikhoza kupeza zibangili, mphete, ndolo. Pafupipafupi ntchito woona zodzikongoletsera ndi kumvera pa kulankhula matanthwe.

Masiku ano, malo otchuka kwambiri ntchito ndi matanthwe ndi Torre del Agiriki - Italy tauni Naples. Pano mukhoza kugula ndi matanthwe mu mawonekedwe zachilengedwe ndi mphatso choyambirira - mu mawonekedwe a chokongoletsera pa caskets odabwitsa, muli. Ndipo, ndithudi, mu mzinda uno yaikulu kusankha zodzikongoletsera zopangidwa matanthwe.

Miyala mikanda (zithunzi zili pamwambapa) - mmodzi wa zokongoletsera otchuka. m'minda Miyala anawonongedwa mofulumira kuposa iwo nthawi kukula. Chaka chilichonse kugula malonda wapatali pa nyanja Matanthwe kukhala kovuta. Pali fakes kwambiri. Ndipo m'ma 70s wa atumwi wotsiriza anali otukuka ngale - ndi brainchild wa kampani Swiss Pierre Gilson.