Kalmar “topaz na qarya” ba ta da ma’anar ƙamus da aka fi sani da ita domin ba daidaitaccen kalmar Turanci ba ce. duwatsu masu kama da topaz amma ba topaz na gaskiya ba. Topaz na karya na iya nufin wasu duwatsu masu daraja iri-iri, ciki har da citrine, sapphire yellow, da yellow tourmaline, da sauransu. kamanni irin na topaz, amma bai ƙunshi ma'adanai iri ɗaya ba.
