Cov neeg tau siv ua tshwm sim iav, tshwj xeeb tshaj yog obsidian (volcanic iav) ua ntej lawv kawm tau ua li cas iav.Obsidian tau siv rau ntau cov riam, nyiaj kub thiab nyiaj.
Lub keeb kwm ancient Roman historian Pliny pom tias cov neeg ua lag luam qub tau ua thawj iav hauv cheeb tsam ntawm Syria thaj tsam 5000BC.But raws li cov pov thawj archaeological, thawj tus txiv neej ua iav yog nyob rau sab hnub tuaj Mesopotamia thiab Egypt ze li 3500BC thiab thawj iav hlab dej tau ua txog 1500BC nyob rau tim lyiv teb chaws thiab Mesopotamia.Rau qhov 300 xyoo tom ntej no, lub khob kev lag luam yog kev lag luam sai thiab ces tsis yauv tawm hauv. Nyob hauv Mesopotamia nws tau hloov dua siab tshiab nyob rau hauv 700BC thiab nyob rau hauv Egypt nyob rau hauv lub 500's BC. Rau 500 xyoo tom ntej no, Tim lyiv teb chaws, Syria thiab lwm lub teb chaws raws ntug dej hiav txwv ntawm Mediterranean hiav txwv Mediteranean yog cov chaw rau iav.
Hauv qhov pib nws tau yooj yim thiab qeeb ua iav.Glass melting furnaces tau me me thiab lub tshav kub lawv tau ua kom tsis txaus rau yaj iav. Tab sis hauv lub 1 Century BC, Syrian cratsme -N yees ua cov yeeb nkab.This kev tshawb nrhiav iav ntau lawm yooj yim dua, pheej yig thiab pheej yig -Qhov khoom ua lag luam flourished hauv Roman teb chaws Ottoman thiab kis tau los ntawm ltalis rau txhua lub teb chaws hauv nws txoj cai.Ua 1000AD lub nroog ntawm Alexandria yog qhov tseem ceeb ntawm cov iav siv. Thoob plaws hauv Europe lub miraculous kos duab ntawm ua viav vias iav rau pawg ntseeg thiab cathedrals nyob thoob plaws lub teb chaws mus txog nws qhov siab nyob rau hauv qhov zoo kawg charees thiab Conterbruy cathedral qhov rais ua nyob rau hauv lub 13 th thiab 14th Centuries.
