Gems muaj cov khoom muaj nqi tshwj xeeb. Tsis tshua muaj cov khoom ntxhia nrog cov tsos zoo nkauj yog kim heev.
Lub pob zeb liab liab saum cov npe ntawm cov khoom kim tshaj plaws uas pom muaj nyob rau hauv cov hneev ntawm peb lub ntiaj teb. Thiab qhov no tsis yog qhov xav tsis thoob, vim tias txhua yam kev nplua nuj ntawm cov pob zeb diamond uas tau hnov, nws yog xim liab uas yog nyob ntawm cov tsis tshua muaj. Tab sis txawm tias ntawm lawv, tsuas yog qee tus tau muab lub Fancy Red qeb, uas txhais tau tias qhov tseeb ntawm liab, tsis muaj qhov tsis muaj qhov tsis txaus ntseeg. Tus nqi rau ib carat ntawm qhov kev zoo nkauj nce mus txog $ 1 lab!
Jadeite yog ib hom ntawm jade. Qhov tseem ceeb tshaj plaws yog "Imperial" - translucent lossis translucent nplua-grained jadeite ntawm emerald ntsuab xim. Tus nqi nruab nrab ntawm cov pob zeb no yog $ 20,000 rau ib carat.
Lub hauv paus rau kev txiav txim siab tus nqi ntawm lub pob zeb tsis muaj xim yog "4C system": Clarity - clarity, Carat - hnyav, Txiav - txiav, Xim - xim Tus nqi ntawm ib qho carat ntawm lub purest pob zeb nrog qhov zoo tshaj plaws txiav hovers ib ncig $ 15,000.
Liab beryl, lossis bixbite, yog muaj npe raws li cov mineralogist Maynard Bixby. Pob zeb tau xub pom thawj zaug thaum xyoo 1905 hauv tebchaws Asmesliskas nyob rau lub xeev Utah. Muaj tsawg hom ntawm beryl ntawm xim liab-crimson xim tau nce mus txog tus nqi ntawm 10 txhiab daus las rau ib carat.
Emerald yog lub pob zeb nrov tshaj plaws ntawm cov neeg muaj nyiaj, raws li nws yog thawj lub pov haum. Cov kab tho zoo tshaj plaws muaj qhov nplua nuj, muaj xim ntsuab xim thiab pob tshab. Tsis tshua muaj pob zeb tsis tshua muaj pob zeb nrog lub ntuj du rau nqi $ 8,000 toj ib carat.
