Art of the outside world. International Gem Society: Gem Photo Gallery. Only the first two categories are open to muggles, but many pictures of pretties.
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Zircon. Colors courtesy of Gem Adventurer: Colors of Zircon bc surfing turned up a pretty picture on their page.
Onwards!
Katherine
Virtual Brush Box 
The three dimensional illusion in the first one is striking.
Louise
Thank you. It’s weird how the brain works to make sense of what it sees.