December Birthstone If you love beautiful gems and are drawn to rare, stunning pieces, then tanzanite is a must-have in your collection. This December birthstone is known for its vibrant hue and fascinating history. Whether you have a December birthday or just have a love for gemstones, tanzanite has a fascinating story you won't want to miss out on! Here are some fun facts about this semi-precious gem that you might find interesting. A One-Location Wonder Tanzanite is truly