Hom opals: hom nrov tshaj plaws

Opals yog cov mineraloids zoo nkauj tshaj plaws - cov khoom siv ntuj tsim (metamictic, glassy, ​​​​polymeric, gel, dispersed heev), kwv yees li homogeneous nyob rau hauv cov tshuaj muaj pes tsawg leeg thiab lub cev muaj zog, yog tsim nyob rau hauv tib txoj kev raws li minerals. Cov no yog cov pob zeb zoo nkauj heev uas tau siv dav hauv kev lag luam hniav nyiaj hniav kub. Opal muaj ntau ntau yam, uas yuav tau tham tom qab hauv tsab xov xwm.

Opal ntau yam

Muaj ntau hom opal. Lawv raug cais raws li ntau yam ntxwv thiab cov khoom:

• ntxoov ntxoo;
• ci;
• pob tshab
• tawv.

Qee cov opals yog "yug" nyob rau hauv cov txheej txheem ntawm huab cua ntawm silicate pob zeb los ntawm silica. Lawv tig tawm tsis zoo heev - huab, muaj greasy sheen, xim tsis sib xws. Cov ntxoov ntxoo ntawm cov pob zeb zoo li no: dawb, grey, daj, reddish, xim av. Qhov no suav nrog xws li cov pob zeb hauv av li opal jasper, uas yog cov xim xim av-liab vim muaj cov hlau loj hauv cov khoom sib xyaw.

Kuj tseem muaj ntoo opal. Nws yog tsim thaum opal hloov ntoo residues. Nws muaj ib tug pronounced qauv. Qhov no yog ib hom ntoo petrified, cov qauv uas zoo kawg nkaus khaws cia - txawm tias kev loj hlob rings yog pom.

Noble opal yog ib lub pob zeb zoo, nws belongs rau lub semiprecious. Nws yog qhov txawv los ntawm kev ua si zoo nkauj ntawm lub teeb, ntxoov ntxoo zoo nkauj ntawm cov xim dawb, daj, xiav thiab dub tones, ntshiab pob tshab thiab ci ntsa iab.

Ordinary opal tsis ua si hauv lub hnub zoo li noble. Txawm li cas los xij, nws qiv nws tus kheej zoo rau kev ua thiab polishing, tom qab ntawd cov jewelers tau txais cov pob zeb zoo nkauj thiab ntshiab. Nws kuj raug cais raws li ib pawg neeg muaj txiaj ntsig.

Lwm ntau yam ntawm opal kuj txawv, uas yog txawv los ntawm txawv cov yam ntxwv thiab txawm deposits:

Fiery. Nws yog pob tshab thiab translucent. Xim - nplua nuj liab, yuav luag liab doog, qee zaum - liab liab. Cov qauv zoo tshaj plaws yog mined hauv Mexico, uas yog tus cwj pwm los ntawm kev nce ntxiv hauv kev tawg ntawm lub teeb los ntawm cov khoom ntshiab.

Cov dub. Ib qho ntawm cov khoom kim tshaj plaws. Qhov ntxoov ntxoo ntawm lub pob zeb tsis tas yuav dub, nws tuaj yeem yog xiav-dub, xim av, tab sis yuav tsum tsaus. Qhov tseem ceeb tshaj plaws deposits yog nyob rau hauv Australia.

Bolder. Lwm "native" los ntawm Australia. Qhov no yog ib txheej tshwj xeeb hauv pob zeb, feem ntau nyob rau hauv ferruginous. Kuj tseem muaj cov qauv hauv matrix thiab basalt pob zeb.

Wax. Ib tug ntxhia ntawm ib tug daj tint, nrog ib tug yam ntxwv waxy sheen.

Hyalite. Feem ntau nws tuaj yeem pom nyob rau hauv qhov chaw ntawm tsub zuj zuj ntawm moss los yog lichen. Nws tsim peculiar crusts, zoo li pawg nyob rau hauv tsos.

Hydrofan (aka dej opal). Nws muaj cov qauv ntxeem tau, vim nws absorbs dej zoo. Nws yog cov cuab yeej no uas ua rau lub pob zeb translucent nrog zoo nkauj dhau thiab ua si ntawm lub teeb. Nws yog noteworthy tias lub pob zeb qhuav yog inconspicuous, tab sis sai li sai tau raws li nws yog txo mus rau hauv dej, nws kis tau tshwj xeeb transparency thiab iridescent overflows.

Girasol. Pob zeb tsis muaj xim, pob tshab kiag li. Ntawm ib qho inclination, koj tuaj yeem pom cov xiav xiav zoo nkauj.

Irisopal. Mexican nugget, tsis muaj xim lossis me ntsis brownish.

Cacholong (aka pearl opal lossis semi-opal). Painted rau ib qho txawm milky dawb ntxoov ntxoo. Qhov tseeb, nws yog pob zeb opaque, uas suav nrog quartz thiab chalcedony.

Blue Opal (Peruvian). Khoom pob zeb, pleev xim rau hauv cov xim liab, xiav thiab xiav ntxoov ntxoo.

Prazopal los yog chrysopal. Lub pov haum dyed nyob rau hauv ib tug kaj ntsuab hue. Semi-pob tshab, luster - iav.

Qhov tseeb, muaj txog ib puas ntau yam ntawm opals. Txhua lub pob zeb tsim nyog tau txais kev saib xyuas tshwj xeeb, vim tias txhua tus ntawm lawv yog qhov tshwj xeeb thiab tsis tuaj yeem rov ua dua. Dab tsi yog qhov tsim nyog rau lub vaj ntxwv opal, nyob rau hauv qhov chaw nruab nrab yog pleev xim liab thiab ib puag ncig los ntawm lub ntsej muag ntsuab. Thiab "Harlequin", uas shimmers nrog tag nrho cov xim ntawm zaj sawv, ua ke nrog ci ntsa iab blotches - koj puas tuaj yeem pom dab tsi ntau dua qub thiab zoo nkauj?

Tsis tas li ntawd, jewelers tuaj yeem paub qhov txawv ntawm opals los ntawm xim. Lawv cais lub teeb pob zeb thiab cov tsaus nti. Thawj qeb suav nrog lub pov haum ntawm kev thaj yeeb, xim daj ntseg. Rau qhov thib ob - ci pob zeb saturated, muaj kua, catchy.

Opals yog ib lub pob zeb zoo nkauj tshaj plaws. thiab nws yog tsis yooj yim sua txawm los piav txog lub uniqueness ntawm txhua tus ntawm lawv. Cov no yog cov pob zeb ci ntsa iab, ci ntsa iab, uas yooj yim nrhiav tsis tau. Lawv tau siv dav hauv kev lag luam hniav nyiaj hniav kub vim lawv cov xim txawv txawv, cov khoom siv lub teeb kis tau zoo thiab cov pob tshab ntshiab.