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Ama-Opal angelinye lamagugu amahle kakhulu ake ahlala! Imibala yazo ecwebezelayo iye yabamba abantu amakhulu eminyaka. Namuhla, ama-opal asaqhubeka ethakazelisa ngemibala yawo eminingi nokukhanya okukhazimulayo. Kodwa ingabe la matshe ayigugu angaba yigugu ngempela? Yilokho abantu abaningi abazibuzayo lapho bebona i-opal okokuqala.
Ama-Boulder opal amatshe ayigugu emvelo avela emadwaleni. Lawa abuye aziwe ngokuthi ama-flash opal ngoba abonisa ukukhanya kombala okukhazimulayo lapho ebamba ukukhanya. Ngenxa yalokho, afunwa kakhulu futhi angathengisa ngamanani aphezulu. Ngakolunye uhlangothi, akuwona wonke ama-boulder opal abalulekile futhi kunezici eziningi ezahlukene okufanele zicatshangelwe ngaphambi kokwenza isinqumo sokuthenga. Kulesi sihloko, sizobuyekeza konke okudingeka ukwazi mayelana nama-boulder opals ukuze wenze isinqumo esifundisiwe mayelana nokuthi or hhayi kuwufanele imali yakho.
Iyini i-boulder opal?
I-Boulder opal itholakala emifantwini, emifantwini, nasezimbotsheni. I-silica evela esihlabathini esincibilikisiwe yehla imifantu nemifantu emadwaleni e-iron futhi i-silica yashabalala ngaphandle kwesixazululo. Ama-Boulder opal aphinde abizwe ngokuthi “i-flash” noma “amatshe omlilo” ngoba anokukhanya okukhazimulayo kombala lapho ebamba ukukhanya. Ama-Boulder opal angahluka ngombala kusukela kophuzi ngokukhanyayo, osawolintshi, obomvu, onsundu, oluhlaza, nokunye. Ama-opal amatshe afunwayo atholakala e-Australia.
Umehluko phakathi kwama-boulder opal namanye ama-opals
I-Boulder opals ingafana kakhulu nezinye izinhlobo ze-opals, kodwa futhi kukhona umehluko obalulekile. Ama-Boulder opal avame ukutholakala emigodini emincane, ebizwa ngokuthi amalunga, nangaphezulu kwamadwala. Zinomumo ongajwayelekile kunezinhlobo eziningi zama-opals. Omunye umehluko ukuthi ama-boulder opal awavamisile ukuba nama-inclusions noma ama-watermark uma esembiwa. Okokugcina, ama-boulder opals avame ukuba nendawo emangelengele enomugqa wokuphuka omaholoholo oyoke uveze umphumela wothingo.
Izinto ezinquma inani le-opal eyidwala
Ama-Boulder opals aqala njengamakristalu amancane akha edwaleni eliphethe. Zifakwe emadwaleni afana ne-granite noma i-diorite futhi zingatholakala kulo lonke elase-Australia, eMexico, nase- I-united states. Uhlobo lwetshe, lapho atholakala khona, nombala wawo konke kuthinta inani le-rock opal.
Amanye amatshe abaluleke kakhulu kunamanye ahlanganisa:
-Ama-Opal anemibala eluhlaza okwesibhakabhaka, ensundu, eluhlaza, noma emnyama
-Ama-Opal anamanzi amaningi
-Opals ngamaphethini omlilo
Isiphetho
Kunzima ukukhomba inani eliqondile le-boulder opal ngoba lawa matshe ahluka kakhulu ngosayizi nangombala. Nokho, ungalindela ukukhokha inani eliphezulu ukuze ube noyedwa walaba buhle. Ziyaziswa ngokususela ekuyivelakaleni nasebuhleni bazo kodwa azibalulekile njengezinye izinhlobo ze-opal njenge-opal eyigugu noma i-opal emnyama.