I'm not positive. I've never even pulled it out of the container (cardboard tube)

I'm going to do a melt test this weekend to see if it's synthetic.

What follows I found in the Yahoo headline news section:

WASHINGTON (Reuters) - A rare form of dementia which causes the loss of many brain functions can also heighten the artistic talents of those afflicted, a study said Thursday.

Damage to one part of the brain may somehow release functions that were previously suppressed, said neurologist Dr. Bruce Miller, from the University of California at Los Angeles, who conducted the study.

> Silk or Ripstop nylon?