are a proud assertion that a ray of beauty outvalues all the utilities of the world.
~Ralph Waldo Emerson


Your coworker loves gems and minerals and enjoys trying to stump you with trivia questions. This time, he has a picture of a stone and wants to know if you can answer his science-y question about it. Thing is, he's not going to tell you what the stone is, so you'll have to figure that out before answering his question!

Long ago, this gem was sold under the name Cape Rubies.

last round's answer

This is a popular purple variety of quartz. : amethyst