Pob zeb diamond yeej ib txwm nyiam los ntawm cov neeg feem coob, tib neeg feem ntau yuav cov pob zeb diamond ua khoom plig rau hnub so rau lawv tus kheej lossis lwm tus, nrog rau kev sib yuav, thiab lwm yam, tab sis muaj ntau hom pob zeb diamond, tus nqi tsis zoo ib yam, ua ntej yuav pob zeb diamond. , koj yuav tsum nkag siab txog hom pob zeb diamond.
Ua ntej, raws li kev tsim ntawm kev faib
1. Ntuj tsim pob zeb diamond
Cov pob zeb diamond kim tshaj plaws ntawm kev ua lag luam feem ntau yog tsim los ntawm crystallization dhau sijhawm nyob rau hauv ib puag ncig ntawm qhov kub thiab txias (feem ntau tsis muaj oxygen), thiab cov pob zeb loj tshaj plaws uas pom muaj yog 4.5 billion xyoo.Hom pob zeb diamond no kuj muaj nqis heev vim nws tsis tshua muaj.
2. Artificial pob zeb diamond
Nrog rau txoj kev loj hlob ntawm kev tshawb fawb thiab thev naus laus zis, muaj ntau ntau pob zeb diamonds nyob rau hauv kev ua lag luam, thiab ntau tus neeg tuaj yeem ua imitation pob zeb diamond los ntawm iav, spinel, zircon, strontium titanate thiab lwm yam ntaub ntawv, thiab cov nqi ntawm cov pob zeb no feem ntau kuj qis.Tab sis nws tsim nyog sau cia tias qee qhov ntawm cov pob zeb hluavtaws no tseem zoo dua saib dua li pob zeb diamond tsim.
Qhov thib ob, raws li cov pob zeb diamond 4C qib
1. Nyhav
Raws li qhov hnyav ntawm lub pob zeb diamond, qhov hnyav ntawm lub pob zeb diamond ntau dua, lub pob zeb diamond muaj nuj nqis ntau dua.Chav tsev siv los ntsuas qhov hnyav ntawm lub pob zeb diamond yog carat (ct), thiab ib carat yog sib npaug rau ob grams.Qhov peb feem ntau hu ua 10 ntsiab lus thiab 30 ntsiab lus yog tias 1 carat muab faib ua 100 qhov chaw, txhua qhov yog ib qho, uas yog, 10 ntsiab lus yog 0.1 carats, 30 ntsiab lus yog 0.3 carats, thiab lwm yam.
2. Xim
Pob zeb diamond muab faib los ntawm cov xim, uas yog hais txog qhov tob ntawm cov xim es tsis yog hom xim hauv qab no.Raws li qhov tob ntawm lub pob zeb diamond xim los txiav txim seb hom pob zeb diamond, qhov ze ntawm lub pob zeb diamond yog xim tsis muaj xim, qhov sib sau ntau dua.Los ntawm qib D pob zeb diamond mus rau qib Z pob zeb diamond tau tsaus thiab tsaus dua, DF tsis muaj xim, GJ tsis muaj xim, thiab K-qib pob zeb diamond poob lawv cov nqi sib sau.
3. Qhov tseeb
Pob zeb diamond muab faib los ntawm qhov tseeb, uas yog qhov tseeb tias lub pob zeb diamond huv li cas.Lub purity ntawm lub pob zeb diamond tuaj yeem pom nyob rau hauv kaum-fold microscope, thiab ntau dua lossis ntau dua qhov pom tseeb ntawm qhov tsis zoo, khawb, thiab lwm yam, tus nqi qis dua, thiab vice versa.Raws li qhov tseeb ntawm cov pob zeb loj loj tau muab faib ua 6 hom, raws li FL, IF, VVS, VS, S, I.
4. Txiav
Faib lub pob zeb diamond los ntawm kev txiav, qhov zoo dua qhov txiav, ntau lub pob zeb diamond tuaj yeem cuam tshuam lub teeb kom ua tiav qhov kev faib ua feem zoo.Cov pob zeb diamond txiav ntau ntau yog lub plawv, square, oval, puag ncig thiab hauv ncoo.Hauv qhov kev hwm no, pob zeb diamond tau muab faib ua tsib hom: EX, VG, G, FAIR thiab POOR.
Thib peb, raws li pob zeb diamond xim faib
1, Pob zeb diamond tsis muaj xim
Cov pob zeb tsis muaj xim yog hais txog cov xim tsis muaj xim, ze li xim tsis muaj xim lossis nrog cov lus pom ntawm lub teeb daj pob zeb, thiab kev faib tawm ntawm cov pob zeb tsis muaj xim yog cov lus hais saum toj no raws li cov xim tob rau kev faib.
2. Xim pob zeb diamond
Yog vim li cas rau kev tsim cov xim pob zeb diamond yog qhov hloov maj mam hloov ntawm sab hauv lub pob zeb diamond ua rau cov xim ntawm lub pob zeb diamond, thiab raws li cov xim sib txawv ntawm cov pob zeb diamond, cov pob zeb diamond tau muab faib ua tsib hom.Hais txog tus nqi, nws muab faib ua pob zeb diamond liab, xiav pob zeb diamond, pob zeb diamond ntsuab, pob zeb diamond daj thiab pob zeb diamond dub (tshwj tsis yog pob zeb diamond tshwj xeeb).
Post lub sij hawm: May-16-2024