Dab tsi yog gemstones kho qhov muag phenomena?

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Gemstones kho qhov muag phenomena

Gemstones optical phenomena tau los ntawm txoj kev uas sib koom nrog cov txheej txheem crystalline ntawm ib lub pov haum. Qhov kev cuam tshuam lossis kev cuam tshuam no tuaj yeem nyob rau hauv daim ntawv ntawm lub teeb scattering, reflection, refraction, diffraction, absorption lossis kis tau tus mob.

Adularesence

Adularescence yog ib qho xiav xaim xwm txheej tshwm sim rau ntawm qhov domed cabochon nto ntawm Moonstone. Lub phenomenon ntawm shimmer los ntawm kev sib cuam tshuam ntawm lub teeb nrog txheej ntawm me ntsis "albite" muaju hauv moonstones. Lub thickness ntawm txheej ntawm cov pob kws me me txiav txim seb qhov zoo ntawm xiav shimmer. Thinner lub txheej, zoo dua lub xiav flash. Qhov no feem ntau tshwm ua ib qho kev ntxim ntxub ntxaum. Moonstone yog orthoclase feldspars, lwm lub npe yog "selenite". Loos hu ua Astrion.

Asterism

Gem cutters feem ntau xaiv txiav kab cabochon, thaum pob zeb tsis tshua zoo. Nyob rau hauv xws li gems thiab lub pob zeb thaum lub teeb ntog rau ntawm qhov cabochon nto thiab ua kom zoo li lub hnub qub, qhov tshwm sim yog hu ua asterism. Muaj 4 txoj kab thiab 6 txoj kev hnub qub tau pom txhua zaus. Qhov no tshwm sim thaum tus qauv ntawm rab koob xws li cov thawv ntim cov thawv los yog lo lo ntxhuav hauv qhov siv lead ua los ntawm ntau tshaj ib qho.

Chatoyancy

Los ntawm Fabkis lub npe "Tsham" txhais tau hais tias miv. Chatoyancy yog hais txog ib qho phenomenon akin qhib thiab txav ntawm miv lub qhov muag. Peb tuaj yeem soj ntsuam hauv chrysoberyl miv lub qhov muag lub pov haum nrog kev tshav ntuj zoo. Miv lub ntsej muag muag muag muaj ib qho ntse ntse, qee zaum ob los yog peb pawg, khiav hla qhov chaw cabcho. Cat lub qhov muag gemstones nyob rau hauv cabochon duab yog txiav highlight tham. Qhov ncaj koob ntawm lub qauv siv lead ua ntawm lub pob zeb yog perpendicular mus rau lub phenomena. Yog li thaum lub teeb ntog rau nws, cov ntse ntse yuav pom. Nyob rau hauv qhov zoo tshaj plaws tshwm sim, lub chatoyant Chrysoberyl miv visually visually cais qhov saum npoo rau hauv ob halves. Peb tuaj yeem pom cov mis nyuj thiab zib ntab thaum lub pob zeb khiav hauv qab.

Iridescence

Iridescence no kuj yog hu ua goniochromism, tshwm sim qhov chaw ntawm qhov khoom ntawm cov khoom siv ntau yam xim raws li lub kaum sab xis pom qhov kev hloov. Nws muaj peev xwm pom tau yooj yim nyob rau hauv lub caj dab ntawm ib tug nquab, xab npum npuag, tis ntawm npauj npaim, niam pear thiab lwm yam. Qhov chaw tsis sib xws ntawm qhov chaw dav thiab ntim ntau qhov chaw cia lub teeb kom pom thiab rov qab los ntawm ntau qhov chaw (diffraction) ua rau ntau lub xim pom kev nyhav. Nrog rau kev cuam tshuam, qhov tshwm sim yog qhov ua. Ntuj pearls tso iridescence uas txawv heev ntawm nws lub cev xim. Tahitian pearls tso saib yawm suab.

Ua si xim

Qhov lub pov haum hu ua opal qhia txog xim zoo nkauj. Qhov hluav taws kub opals los ntawm Lightening Ridge, Australia (uas qhia thaj ua rau thaj ntawm cov xim uas muaj xim zoo nkauj dub dub) yog nto moo rau qhov tshwm sim no. Thaum no ua si ntawm cov xim yog ib hom kev lag luam, yuav luag txhua tus neeg lag luam gemstone hu nws ncaj qha "hluav taws". Hluav taws xob yog lub sij hawm tseem ceeb, Nws yog qhov kev faib tawm ntawm lub teeb pom kev hauv cov pob zeb diamonds. Nws yog feem ntau pom nyob rau hauv ib lub pob zeb diamond. Nws yog ib qho yooj yim dispersion ntawm lub teeb. Nyob rau hauv rooj plaub ntawm opals nws tsis yog dispersion thiab li, nws yog wrond siv lo lus "hluav taws".

Xim hloov

Qhov zoo tshaj plaws piv txwv ntawm kev hloov xim yog alexandrite. Cov gems thiab lub pob zeb no txawv heev hauv lub teeb pom kev zoo piv rau ntuj hnub ci. Qhov no yog qhov loj vim yog cov tshuaj gems muaj pes tsawg leeg zoo li lub zog hnyav. Lub alexandrite tshwm ntsuab hauv hnub kaj thiab kuj tshwm liab hauv lub teeb pom kev zoo. Sapphire, kuj tourmaline, alexandrite thiab lwm yam pob zeb ua tau raws li pom muaj xim hloov.

Labradorescence

Labradorescence yog ib hom kev yoog, tab sis yog qhov tseem ceeb heev vim kev sib tw siv sib tw. Peb tuaj yeem nrhiav nws hauv labradorite gemstone.

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kev ua yuam kev: Cov ntsiab lus yog kev tiv thaiv !!