Opal, ua amorphous, tsis yog cov ntxhia tiag tab sis a mineraloid Ib qho ntawm cov qauv lees paub uas txhais tau tias cov ntxhia yog cov ntxhia yuav tsum muaj cov qauv siv lead ua, uas opal tsis muaj.. … Qhov ceev thiab cov qauv ntawm cov silica spheres aligned yog lub luag hauj lwm rau cov xim sib txawv refracted nyob rau hauv lub Opal.
Puas yog opal ib qho ntxhia?
Opal, silica ntxhia siv dav ua lub pov haum, submicrocrystalline ntau yam ntawm cristobalite.
YPuas yog opal yog pob zeb lossis pob zeb?
Ib qho opal yog a 'gemstone' - uas yog, pob zeb muaj nuj nqis rau nws txoj kev zoo nkauj. Gemstones feem ntau yog siv rau hauv jewellery thiab piv txwv xws li pob zeb diamond, rubies, emeralds, sapphires, jade, opals thiab amethysts.
Dab tsi ua rau opal ib qho ntxhia?
Opal is a hydrated amorphous form of silica (SiO. nH2O); Nws cov ntsiab lus dej tuaj yeem nyob ntawm 3 mus rau 21% los ntawm qhov hnyav, tab sis feem ntau yog nyob nruab nrab ntawm 6 thiab 10%. Vim tias nws cov yam ntxwv amorphous, nws raug cais raws li cov mineraloid, tsis zoo li crystalline cov ntaub ntawv ntawm silica, uas yog classed li minerals.
Yog opal natural?
Natural Opal
Natural opals feem ntau piav raws li lub teeb, tsaus / dub, pob zeb, thiab matrix. Txawm hais tias pob zeb opal muaj lub pob zeb rov qab, nws tau suav tias yog khoom ntuj opal vim tias qhov kev txhawb nqa no tshwm sim ib txwm muaj. Qhov ntau yam ntawm ntuj opal yog txiav txim los ntawm ob tus yam ntxwv ntawm lub cev lub suab thiab pob tshab.
Why Black Opal Is So Expensive | So Expensive
