Таджикистан – Энциклопедия на таджикском языке КИТОБАМ
QIRAV, kristallhoi yakhro guyand, ki dar sathi Zamin va qismhoi sathi on, dar shabhoi sard, sof va orom ba vujud meoyand. Hissachahoi shaklan ba zarrahoi barf monandand, vale az onho andake farq mekunand. Q. dar natijai az 0°S pasttar shudani harorati sathi Zamin ba vujud meoyad.
