what is a birthstone
Birthstone Jewelry Guide. Birthstones are gemstones that accompany a birth month, each having a unique meaning and historical significance. The popularity of birthstones dates back to ancient times when civilizations believed that gemstones had incredible powers such as luck, health and prosperity.ecember birthdays have claim to three gemstones; Zircon, Tanzanite and Turquoise. Each of these gemstones carries a unique blue tone making it a perfect birthstone for Minnesotaâs frigid December winters. Zircon can be found in a variety of colors, but blue is the overwhelming favorite.