http://en.wikipedia.org/wiki/Tyrian_purple and http://en.wikipedia.org/wiki/Iles_Purpuraires show that blue dye was produced from the murex in ancient times in these locations. But on Ptil Tekhelet's ...
I want to buy some techelet and white tzizit. I want the techelet to match the color in this picture and to be made by Ptil Tekhelet foundation. However, when I try to contact them on their website I ...
According to the Rambam, what color would most of the tzitzis strings be if the garment was all techeilet?
The majority opinion is that, when we had the tradition on techeilet (the wool-dyed-blue string on tzitzis), each corner of the garment would have 7 white strings and one techeilet string. If I've ...