Madder dyed...The samples in the image are all mordanted with alum and dyed in the same dye bath, they are from left to right:- Linen, Silk, Wool, Wool and Wool.
Samples naturally dyed with mulberry
Samples of naturally dyed wool hang on a chart in a store room in the Miri Carpets warehouse near Shiraz, 18th May 2009. The Miri brothers established their own original weaving style after the revolution in Zarghan. The Miri brand is probably the most prestigious in the industry. (Photo by Kaveh Kazemi/Getty Images) Photo Credit: Kaveh Kazemi
Nini Anker Dessen / absolutetapestry.com "Ventende" - 2000 (Waiting) 140x105 cm