Amethyst vs Alexandrite
Tib neeg thoob plaws ntiaj teb nyiam cov pob zeb zoo nkauj heev, tab sis cov pob zeb no tuaj yeem kim heev thaum lub sijhawm. Qhov no yog vim li cas vim li cas thiaj li muaj kev xav tau zoo rau pob zeb uas zoo ib yam tab sis raug nqi tsawg dua cov pob zeb muaj txiaj ntsig. Ob lub gemstones uas feem ntau tsis meej pem rau ib leeg yog amethyst thiab alexandrite. Txawm hais tias qhov zoo sib xws hauv qhov tsos, muaj qhov sib txawv ntawm alexandrite thiab amethyst uas yuav tau hais qhia hauv kab lus no.
Amethyst
YSiv los ua cov khoom lag luam, amethyst yog hom quartz uas muaj xim violet. Nws yog ib lub pob zeb uas ntseeg tias tiv thaiv nws cov neeg hnav los ntawm lub xeev ntawm qaug dej qaug cawv. Lub pob zeb tau siv los ntawm cov neeg Greek thaum ub thiab cov neeg Loos, thiab lawv tseem ua cov nkoj los ntawm amethyst kom muaj dej haus. Qhov no yog lub Ob Hlis yug pob zeb uas zoo li violet vim tias muaj cov hlau tsis huv hauv thiab kuj vim yog irradiation. Nws yog lub pob zeb vitreous nrog cov tshuaj formula ntawm SiO2.
Alexandrite
Nov yog lub pov haum uas yog ib qho ntawm peb ntau yam ntawm cov ntxhia chrysoberyl. Nws cov tshuaj formula yog BeAl2O4. Lub gemstone yog ib qho nyuaj heev nrog lub hardness ntawm 8.5 ntawm Mhos nplai. Nws yog lub npe hu ua Tzar ntawm Russia Alexander, thiab nws tau xub pom nyob rau hauv lub roob Ural nyob rau hauv Russia nyob rau hauv lub xyoo 1834. Vim hais tias nws yog pom nyob rau hauv ob qho tib si liab, nrog rau cov xim ntsuab, nws yog lub teb chaws pob zeb ntawm Russia. Txawm hais tias nws yog ntsuab nyob rau nruab hnub, nws tuaj yeem tig liab lossis ntshav hauv lub teeb incandescent. Qhov no muaj peev xwm hloov xim ua rau nws yog ib qho ntawm feem ntau nrhiav tom qab gemstones.
Qhov txawv ntawm Amethyst thiab Alexandrite yog dab tsi?
• Alexandrite yog ib yam ntawm Chrysoberyl, ntxhia, whereas amethyst yog ib txwm tshwm sim gemstone.
• Alexandrite muaj nyob rau hauv ntau yam xim liab thiab ntsuab txawm tias nws muaj peev xwm tig ntshav rau hauv lub teeb ci.
• Amethyst yog ntau hom quartz nrog cov tshuaj formula ntawm SiO2.
• Alexandrite yog Lub Rau Hli birthstone whereas Amethyst yog Lub Ob Hlis birthstone.
• Alexandrite nyuaj dua amethyst.
