Today is Fun Friday, at our Blogging For Fun group, and we are up to the letter Q, in the A-Z meme. Q is for Quartz crystals. The video below is cool, and the gentleman that does it has tons of others on Quartz crystals. He has some of the largest, and loveliest collections of Quartz crystals, that I have seen. Check them out, if you love to learn about gems.