Not even an itsy bitsy test to identify the chemical composition?
Thor said his people were on a ship or something. It was a while ago and I was sitting across from Loki so ugh and I had a few. And then Thor got chewed up by the universe and spit back out, and probably doesn't remember telling me that.
Anyway, If you don't have any takers? You can store it where Thor's belt still is. It'll be safe there. And when the rest of the Asgardians show up, give them your laundry.