That's beautiful yarn and will make a gorgeous shawl. I'm glad you got silk and hope the wool doesn't bother you. I don't think you would have chosen the yarn if you really thought it would be a problem so I expect it will be fine. Enjoy!
Cheating is an option. . . . Cheaters never win and winners never cheat, but smart knitters who want to retain an iota of sanity do, cheerfully. ~~Kory Stamper