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Coral beads - kayan ado, halitta da yanayi
Halitta murjani - shi ne wani kwayoyin fili ya kunshi alli carbonate, magnesium impurities da baƙin ƙarfe oxide. Ya ke tsiro sosai a sannu a hankali - game da bakwai santimita a kowace shekara. M-ruwa murjãni ake samu a zurfin game da uku zurfin mita da kuma za a iya located a zurfin fiye da uku da ɗari mita. Duk da wannan, sun yi nasarar fitar a bukata yawa.
Coral launi dogara da yawa da kuma abun da ke ciki na gudanar da mahadi. Mafi na kowa ne fari, ruwan hoda da kuma ja. Porous murjani tẽku mai zurfi, ya fi arha. An dauke da mafi muhimmanci da murjani baki.
Masu bincike da kuma masana sun ce a cikin yanayi akwai fiye da 3500 jinsunan murjãni, da 350 sautunan. Amma kada ka yi zaton cewa dukkan su suna amfani da kayan ado domin yin. Mafi yawansu ba su hidima a matsayin feedstock domin samar da lemun tsami. Jewelers ma musamman godiya da baki murjani, wanda aka mined a Indiya da China, lu'u-lu'u-azurfa ( "mala'ika fata") da fari. A mafi m da kuma amfani da suna dauke su daraja ja da ruwan hoda look.
Abin baƙin ciki, babban farashi na halitta murjãni sau da yawa take kaiwa zuwa jabu. Mafi sau da yawa, da sayarwa za a iya samu a cikin roba beads "a kan wani murjani" ko stained, amma m dutse. Ka mai da hankali a lokacin da sayen! Roba ko canza launin gilashin ne colder, wuya da kuma wuya murjani.
Mundãye da necklaces na murjani suna peeled - a cikin wannan harka da samfurin da aka zaba a hankali daga kananan guda. Bugu da kari, sun za a iya guga man. Yawanci wannan hanyar da ake amfani da yi da manyan zagaye kayayyakin.
Coral beads ne ado ko a zamanin da. Barbashi murjani ruwan hoda ne archaeologists a lokacin tono na binne Paleolithic sau. A zamanin d Helenawa yi imani da cewa ruwan hoda murjani kawo farin ciki da tsawon rai, ta kawar daga mutum da matsala ba kuma sa shi hikima. A Turai a lokacin tsakiyar zamanai murjani beads aka dauke da wani alama na tsarki. Mexican Indiyawan har yanzu yi imani da cewa wannan ado ne iya karkatarwa ga mugayen ruhohi da sa zazzabi.
Murjãni ana tana tattare a cikin da yawa Legends, jama'a imani da kuma riƙe. An dade an yi imani da cewa murjani beads gaba daya kawar da ciwon kai da kuma ciwon makogwaro. Kuma ga matafiya irin wannan ado ne kawai ya cancanta, domin su kare wearer daga bala'o'i, da tashin hankali.
Jewelers godiya murjãni da kuma son yin aiki tare da su. Coral beads - wani classic kayan ado, ko da yake daya iya sau da yawa sami mundaye, da ƙawane da 'yan kunne. M gaskiya ayyukan kayan ado da murjani wasulla.
Yau, cikin shahararrun cibiyar ga aikin da murjani ne Torre del Greco - Italian gari kusa Naples. Ga za ka iya saya da murjãni a cikin halitta nau'i, kuma kamar yadda na asali kyauta - a cikin nau'i na ado a kan m caskets, kwantena. Kuma, ba shakka, a cikin wannan birni mai babbar selection na kayan ado da aka yi da murjani.
Coral Beads (photos suna located sama) - daya daga cikin rare ado. Coral plantations an hallaka fiye da yadda suke samun lokaci don yayi girma. A kowace shekara saya kayayyakin daga m zurfin teku murjani an ƙara zama da wuya. Akwai karin fakes. Kuma a cikin tsakiyar 70s na karshe karni sun ladabi murjãni - brainchild na Swiss kamfanin Pierre Gilson.
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