Topaz sof shaffof, ammo undagi aralashmalar tufayli ko'pincha shaffof emas.Topaz odatda sharob yoki och sariq rangga ega.Lekin oq, kulrang, ko'k, yashil bo'lishi mumkin.Rangsiz topaz, yaxshi kesilganda, olmos bilan yanglishishi mumkin.