Garlic Mustard, Selenite

I stopped at a rest stop on my way to Michigan, and thought I'd go look at the weeds along the fence. Unsurprisingly there was a lot of garlic mustard.  I pulled out my camera to take a picture, which is this one:

"Oh, what's that behind the garlic mustard?" you might be saying.  Well it's a freaking selenite crystal weighing in at about two pounds, clearly it was carefully cut.

Selenite is one of the crystal forms that gypsum takes. Gypsum is the main ingredient of plaster, which is one of my most-used art supplies.  I take this as a sign.