One More Thing

Wow, 3 today. Anyhoo, I came across this earlier, and I'm liable to forget, but remember how I said the stuff my felinoids make their guns out of looks like glycerin soap? Well, it does, but I found a much more specific sample. This. It's chrysoberyl.Specifically it looks like the one in the lower right hand corner.

I also thought it'd be cool (I was embarked on a wiki-walk, specifically on Wikipedia's mineral pages which are a death labyrinth) if someone, I'm not sure if humans or aliens or what, were to make a macuahuitl (those Aztec clubs lined with obsidian blades) lined with synthetic diamond. Wouldn't hold an edge long, but it'd be a hell of a cutter.