Citrine sib txawv ntawm cov xim ntawm daj mus rau lub teeb xim av thiab yooj yim to taub nrog citrine.Cov xim daj hauv citrine yog vim muaj cov hlau oxide hauv dej.Ntuj citrine tsis tshua muaj thiab tsim nyob rau hauv ob peb qhov chaw, tsuas yog Brazil thiab Madagascar ua tau zoo Citrine nyob rau hauv tsawg.
Tan siv lead ua kuj hu ua tshuaj yej siv lead ua, thiab cov pa luam yeeb quartz (xim av quartz) kuj hu ua pa luam yeeb siv lead ua thiab ink crystal Radioactive Feem ntau ntawm cov tshuaj yej muaju yog hexagonal kab.Zoo li lwm cov pob tshab pob tshab, qee zaum muaj cov ntsiab lus xws li dej khov tawg, huab thiab huab cua.