Heriz rug
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A Heriz Rug is a type of Persian rug from the area of Heriz. The Heriz Rug is produced in the villages of the slopes of Mount Sabalan. It is an extremely durable hard-wearing rug and the Heriz rug has now passed Bijar Rugs as the Iron Rug of Iran. Heriz are thick, tough, and often inexpensive rugs that appeal strongly to the US market. The Heriz rug is produced in Northwest Iran northeast of Tabriz. Part of the reason for the toughness of Heriz carpets is that Mount Sabalan is sitting on a major deposit of Copper. Trace copper in the drinking water of the sheep produces the highest quality of rug wool. The copper makes the wool stronger and far more resilient than wool from other areas.
Heriz rugs include rugs from the towns of Ahar, Heriz, Mehraban, Sarab, Serapi, Bakhshaish, and Gorevan.
Heriz rugs are of coarse construction. The rugs range from 30 KPSI on the low end to 100 - 110 KPSI on the high end. It is rare to see a rug over 100 kpsi that would look like an authentic Heriz.