"Pinfire opal" yog ib lub npe siv rau opal uas muaj qhov taw qhia hluav taws thoob plaws hauv pob zeb. … Cov bas alt muaj cov hlwv me me thiab cov kab noj hniav uas tau ntim nrog cov opal muaj nuj nqis. Cov xim dub ntawm cov bas alt ua rau kev ua si-ntawm-xim sawv.
hom opal yog dab tsi?
Dub opals feem ntau suav tias yog qhov zoo tshaj plaws hauv ntiaj teb vim lawv lub cev tsaus nti. Boulder opals yog cov kwv tij txheeb ze tsawg dua ntawm cov opal dub, tab sis lawv tuaj yeem muaj xim zoo sib xws.
hom opal kim tshaj yog dab tsi?
Black opal yog opal khoom kim tshaj plaws thiab tej zaum yuav paub tus nqi tshaj AUD $15,000 ib carat. Boulder opals kuj muaj lub cev tsaus nti. Dawb opals muaj lub teeb lub cev lub suab thiab feem ntau yog qhov tseem ceeb tshaj plaws ntawm opal.
Dab tsi yog opal xim?
Black opal yog qhov tsawg tshaj plaws thiab muaj nuj nqis heev ntawm opal, thiab muaj qhov hu ua dub (lossis tsaus) lub cev lub suab. Dub opals tuaj nyob rau hauv txhua txhua xim ntawm zaj sawv.
Opal zoo nkauj tshaj yog dab tsi?
Xav tias yog ib qho ntawm lub ntiaj teb zoo nkauj tshaj plaws opals, "Virgin Rainbow" yog 63.3 hli Dub Crystal Opal Belemnite Fossil hauv 'pipe' duab. Nws nta lub pov haum zoo xim, thiab tseem hais tias kom ci nyob rau hauv qhov tsaus ntuj.
