In 2010 the conclusion by Jaworski was that at this point Fanti’s information indicates that info points to it being linen but that further analysis is needed.
But let me remind you again, that Fanti thinks that 3d imaging shows the Veil and the Shroud to show the same tortured body. Fanti also thinks that the lock of hair has yet to be explained. In addition, I have seen nothing that states there is pigment on that lock of hair.
http://www.shroud.com/pdfs/jaworski.pdf
I really don't care what Fanti thinks. The 3-D image (sic) on the Shroud is ONLY a quasi 3D image. It is well understood to be actually a terrain mapping from the quasi 3-D data on the Shroud. The attempt to get a 3-D image produced from the Mannopello image bears all the hall marks of every attempt to get a 3-D image from a painting, I.E., dark objects raised, light not raised, the nose is flat, dark hair is raised, the eyes invert, there are shadows that are LIGHT related (artifice) that show up as quasi 3D bumps, the entire face cups inward, etc. ALL of these are the signature signs of a painted portrait under digitizer conversion to 3-D. Fanti's amazement at the changes in the eyes, wisps, and mouth as the digitizer is stepped through increasing offsets demonstrates his lack of understanding of what is being done to the image as one would get the same results with any painted portrait. . . Variations in the strength and direction of the depth effect. This is exactly what is seen when Fanti and others attempted to get a 3-D image from the Veil. Garbage data. Useless. To those of us who know what we are looking at, it is NOT a useful image for comparison, or for identifications with the Shroud image at all. Fanti's claim is wishful thinking. He sees what he wants to see. It is not science.
How could the living Christ on the Via Dolorosa be the same as the dead Christ in the tomb? Where is the crown of thorns in this image? It was placed on his head BEFORE he left to carry the cross to Golgotha, yet those wounds are missing but present on the Shroud.
When did he grow the mustache and beard that are wispy and hard to see in the Mannopello image but fully developed and robust on the Shroud?
Linen? Linen does not lend itself well to making diaphanous cloth. The fabric experts that I know of who have looked at the Mannopello veil have been leaning toward Cambric cotton. However, until it is removed from its reliquary and the cells of the fibers examined under a microscope, it will be undetermined.
The Vatcan's Veronica is Linen, and it is not diaphanous... It is opaque.