Hauv cov ntsiab lus yooj yim, lab cog pob zeb diamond yog pob zeb diamond uas tau tsim los ntawm tib neeg es tsis txhob mined tawm ntawm lub ntiaj teb.Yog tias nws yooj yim heev, koj yuav xav tias yog vim li cas thiaj muaj tag nrho cov lus hauv qab kab lus no.Qhov nyuaj tshwm sim los ntawm qhov tseeb tias ntau ntau cov ntsiab lus sib txawv tau siv los piav txog lub chaw kuaj mob pob zeb diamond thiab lawv cov kwv tij txheeb ze, thiab tsis yog txhua tus siv cov lus no tib yam.Yog li, cia peb pib nrog qee cov lus.
Synthetic.Nkag siab lo lus no kom raug yog tus yuam sij uas qhib tag nrho cov lus nug no.Synthetic tuaj yeem txhais tau tias dag lossis cuav.Synthetic kuj txhais tau tias tib neeg tsim, theej, tsis muaj tseeb, lossis txawm tias imitation.Tab sis, hauv cov ntsiab lus no, peb txhais li cas thaum peb hais tias "synthetic pob zeb diamond"?
Nyob rau hauv lub ntiaj teb gemological, hluavtaws yog ib lub ntsiab lus zoo heev.Thaum hais lus technically, cov khoom siv hluav taws xob yog cov khoom siv uas tib neeg tsim nrog tib lub qauv siv lead ua thiab cov tshuaj muaj pes tsawg leeg raws li lub pov haum tshwj xeeb uas tau tsim.Yog li ntawd, "synthetic pob zeb diamond" muaj cov qauv siv lead ua tib yam thiab cov tshuaj lom neeg muaj pes tsawg leeg ua pob zeb diamond.Tib yam tsis tuaj yeem hais txog ntau yam kev coj ua lossis cov pov haum cuav uas feem ntau, tsis raug, piav qhia tias yog pob zeb diamond hluavtaws.Qhov kev qhia tsis tseeb no tau tsis meej pem qhov lo lus "synthetic" txhais tau li cas, thiab nws yog vim li cas feem ntau cov neeg tsim cov pob zeb diamonds nyiam lo lus "lab loj" dua "synthetic."
Txhawm rau kom txaus siab rau qhov no tag nrho, nws yuav pab kom nkag siab me ntsis txog yuav ua li cas lab cog pob zeb diamond tsim.Muaj ob txoj hauv kev los loj hlob ib leeg pob zeb diamond.Thawj thiab laus tshaj plaws yog cov txheej txheem Kev Kub Siab Kub Kub (HPHT).Cov txheej txheem no pib nrog cov noob ntawm cov khoom siv pob zeb diamond thiab loj hlob ib pob zeb diamond tag nrho ib yam li qhov xwm txheej nyob rau hauv lub siab thiab kub.
Txoj kev tshiab tshaj plaws los cog cov pob zeb hluavtaws yog Chemical Vapor Deposition (CVD) txheej txheem.Hauv cov txheej txheem CVD, lub chamber tau ntim nrog cov pa roj carbon nplua nuj.Cov pa roj carbon atoms tau muab rho tawm los ntawm cov roj seem thiab muab tso rau ntawm wafer ntawm pob zeb diamond siv lead ua uas tsim cov qauv siv lead ua raws li lub gemstone loj hlob txheej los ntawm txheej.Koj tuaj yeem kawm ntxiv txogyuav ua li cas lab cog pob zeb diamondlos ntawm peb tsab xov xwm tseem ceeb ntawm cov txheej txheem sib txawv.Qhov tseem ceeb coj mus rau tam sim no yog tias ob qho tib si ntawm cov txheej txheem no yog cov thev naus laus zis siab heev uas tsim cov khoom siv lead ua nrog cov qauv tshuaj tib yam thiab cov khoom siv kho qhov muag raws li ntuj pob zeb diamond.Tam sim no, cia peb sib piv lab cog pob zeb diamond rau qee yam ntawm lwm lub pov haum uas koj yuav tau hnov txog.
Lab Grown Diamonds piv nrog Pob Zeb Diamond Simulants
Thaum twg yog hluavtaws tsis yog hluavtaws?Cov lus teb yog thaum nws yog ib tug simulant.Simulants yog lub pov haum uas zoo li lub pov haum tiag tiag, tab sis yog lwm yam khoom siv.Yog li, lub sapphire ntshiab lossis dawb tuaj yeem yog pob zeb diamond simulant vim nws zoo li pob zeb diamond.Qhov dawb sapphire tuaj yeem yog ntuj lossis, ntawm no yog qhov ua kom yuam kev, hluavtaws sapphire.Tus yuam sij rau kev nkag siab qhov teeb meem simulant tsis yog li cas lub pov haum tsim (natural vs hluavtaws), tab sis hais tias nws yog ib qho kev hloov uas zoo li lwm lub pov haum.Yog li, peb tuaj yeem hais tias tus txiv neej ua dawb sapphire yog "sapphire hluavtaws" lossis nws tuaj yeem siv los ua "pob zeb diamond simulant," tab sis nws yuav tsis raug hais tias nws yog "pob zeb diamond hluavtaws" vim nws tsis yog. muaj cov qauv tshuaj tib yam li pob zeb diamond.
Ib tug dawb sapphire, ua lag luam thiab nthuav tawm raws li ib tug dawb sapphire, yog ib tug sapphire.Tab sis, yog tias nws siv rau qhov chaw ntawm pob zeb diamond, ces nws yog pob zeb diamond simulant.Simulant gems, dua, tab tom sim sim lwm lub pov haum, thiab yog tias lawv tsis qhia meej meej raws li simulants lawv raug suav tias yog cuav.Lub sapphire dawb tsis yog, los ntawm qhov xwm txheej, ib qho cuav (qhov tseeb nws yog lub pov haum zoo nkauj thiab muaj txiaj ntsig zoo).Tab sis yog tias nws raug muag raws li pob zeb diamond, nws dhau los ua tus cuav.Feem ntau lub pov haum simulants sim xyaum cov pob zeb diamond, tab sis kuj muaj cov simulants rau lwm cov pob zeb muaj txiaj ntsig (sapphires, rubies, thiab lwm yam).
Nov yog qee qhov nrov pob zeb diamond simulants.
- Synthetic Rutile tau qhia txog thaum xyoo 1940s thiab siv los ua pob zeb diamond simulant thaum ntxov.
- Tom ntej no ntawm tus txiv neej ua pob zeb diamond simulant ua si yog Strontium Titanate.Cov khoom no tau dhau los ua lub pob zeb nrov nrov simulant hauv xyoo 1950s.
- Xyoo 1960s coj kev txhim kho ntawm ob lub simulants: Yttrium Aluminium Garnet (YAG) thiab Gadolinium Gallium Garnet (GGG).Ob leeg yog tib neeg tsim pob zeb diamond simulants.Nws yog ib qho tseem ceeb uas yuav tsum tau rov hais dua ntawm no tias tsuas yog vim tias cov khoom siv tuaj yeem siv los ua lub pob zeb diamond simulant tsis ua rau nws "dag" lossis qhov phem.Piv txwv li, YAG yog ib qho siv lead ua zoo heev uas nyob hauv plawv ntawm peblaser welder.
- Qhov nrov tshaj plaws pob zeb diamond simulant los ntawm tam sim no yog hluavtaws Cubic Zirconia (CZ).Nws yog pheej yig los tsim thiab sparkles heev brilliantly.Nws yog ib qho piv txwv zoo ntawm lub pob zeb hluavtaws uas yog pob zeb diamond simulant.CZs feem ntau, yuam kev, hu ua pob zeb diamonds.
- Synthetic Moissanite kuj tsim ib co tsis meej pem.Nws yog ib tug neeg tsim, hluavtaws lub pov haum uas yeej muaj ib co pob zeb diamond zoo li cov khoom.Piv txwv li, pob zeb diamond tshwj xeeb tshaj yog zoo ntawm kev hloov cua sov, thiab yog li Moissanite.Qhov no yog qhov tseem ceeb vim tias cov neeg siv pob zeb nrov tshaj plaws siv cov cua sov dispersion los kuaj seb lub pob zeb diamond yog pob zeb diamond.Txawm li cas los xij, Moissanite muaj cov qauv tshuaj sib txawv kiag li dua li pob zeb diamond thiab cov khoom siv kho qhov muag sib txawv.Piv txwv li, Moissanite yog ob-refractive whereas pob zeb diamond yog ib leeg-refractive.
Txij li thaum Moissanite kev ntsuam xyuas zoo li pob zeb diamond (vim nws cov khoom cua sov dispersal), tib neeg xav tias nws yog pob zeb diamond lossis pob zeb hluavtaws.Txawm li cas los xij, vim nws tsis muaj tib lub qauv siv lead ua lossis tshuaj lom neeg muaj pes tsawg leeg ntawm pob zeb diamond, nws tsis yog pob zeb hluavtaws.Moissanite yog pob zeb diamond simulant.
Tej zaum nws yuav pom tseeb ntawm qhov no vim li cas lo lus "synthetic" thiaj li tsis meej pem hauv cov ntsiab lus no.Nrog Moissanite peb muaj lub pov haum hluavtaws uas zoo nkaus li thiab ua tau zoo li pob zeb diamond tab sis yuav tsum tsis txhob raug hu ua "pob zeb diamond hluavtaws."Vim li no, nrog rau feem ntau ntawm cov hniav nyiaj hniav kub kev lag luam, peb nyiam siv lo lus "lab zus pob zeb diamond" los hais txog cov pob zeb hluavtaws tiag tiag uas qhia cov khoom siv tshuaj zoo ib yam li pob zeb diamond ntuj, thiab peb nyiam zam lo lus "synthetic. pob zeb diamond” muab ntau npaum li cas tsis meej pem nws tuaj yeem tsim.
Muaj lwm lub pob zeb diamond simulant uas ua rau muaj kev ntxhov siab ntau.Pob zeb diamond coated Cubic Zirconia (CZ) gems yog tsim los siv tib yam tshuaj Vapor Deposition (CVD) thev naus laus zis uas yog siv los tsim cov pob zeb loj loj.Nrog pob zeb diamond coated CZs, ib txheej nyias nyias ntawm cov khoom siv pob zeb diamond ntxiv rau saum CZ.nanocrystalline pob zeb diamond hais tsuas yog hais txog 30 mus rau 50 nanometer's tuab.Qhov ntawd yog hais txog 30 mus rau 50 atoms tuab lossis 0.00003mm.Los yog, yuav tsum tau hais tias, nyias nyias.CVD pob zeb diamond coated Cubic Zirconia tsis yog cov pob zeb hluavtaws.Lawv tau qhuas Cubic Zirconia pob zeb diamond simulants nkaus xwb.Lawv tsis muaj tib lub hardness lossis crystal qauv ntawm pob zeb diamond.Zoo li qee lub qhov muag tsom iav, CVD pob zeb diamond coated Cubic Zirconia muaj cov pob zeb diamond nyias nyias.Txawm li cas los xij, qhov no tsis txwv qee tus neeg lag luam uas tsis paub txog kev hu lawv cov pob zeb diamond hluavtaws.Tam sim no, koj paub zoo dua.
Lab Grown Diamonds piv nrog Ntuj Pob Zeb
Yog li, tam sim no peb paub dab tsi lab cog pob zeb diamond tsis yog, nws yog lub sijhawm los tham txog lawv yog dab tsi.Yuav ua li cas lab zus pob zeb diamond piv rau ntuj pob zeb diamond?Cov lus teb yog nyob rau hauv lub ntsiab lus ntawm hluavtaws.Raws li peb tau kawm, ib lub pob zeb hluavtaws muaj tib lub qauv siv lead ua thiab tshuaj lom neeg muaj pes tsawg leeg raws li lub pob zeb ntuj.Yog li ntawd, lawv zoo nkaus li zoo li lub ntuj gemstone.Lawv ci ib yam.Lawv muaj tib lub hardness.Ib sab ntawm ib sab, lab cog pob zeb diamond saib thiab ua ib yam li pob zeb diamonds ntuj.
Qhov sib txawv ntawm ib lub ntuj thiab ib lub lab cog pob zeb diamond qia los ntawm qhov lawv tau ua.Lab cog pob zeb diamonds yog tib neeg tsim nyob rau hauv ib lub lab thaum lub ntuj pob zeb tsim nyob rau hauv lub ntiaj teb.Ntuj tsis yog ib puag ncig tswj, tsis muaj menyuam, thiab cov txheej txheem ntuj sib txawv ntau.Yog li ntawd, cov txiaj ntsig tsis zoo tag nrho.Muaj ntau hom kev suav nrog thiab cov cim qhia tias xwm tau ua lub pov haum muab.
Lab cog pob zeb diamond, ntawm qhov tod tes, yog tsim nyob rau hauv ib puag ncig tswj.Lawv muaj cov cim qhia txog kev tswj hwm uas tsis zoo li qhov xwm txheej.Tsis tas li ntawd, tib neeg kev siv zog tsis zoo tag nrho thiab lawv tawm ntawm lawv tus kheej qhov tsis zoo thiab cov lus qhia uas tib neeg tau ua lub pov haum muab.Cov hom kev suav nrog thiab hloov maj mam hloov pauv hauv cov qauv siv lead ua yog ib txoj hauv kev tseem ceeb rau kev sib txawv ntawm cov chaw sim cog thiab cov pob zeb ntuj.Koj tuaj yeem kawm ntxiv txogYuav ua li cas qhia yog pob zeb diamond yog lab loj hloblos yog ntuj los ntawm peb tsab xov xwm tseem ceeb ntawm cov ntsiab lus.
FJUQeb:Lab Loj hlob Diamonds
Post lub sij hawm: Apr-08-2021