Silk Persian rug. Persian Qum silk rug. Handmade Persian rug made in city of Qum Iran. A Persian Mosque design rug in green color and it is made of silk pile and silk foundation. The Mosque design or Gonbad design also known as Dome design is a unique pattern inspired from Islamic Mosque. Green, beige, brown, blue, and black are some of the colors used to decorate this Gonbadi pattern. The rug size is 4.5 x 6.7.