what is december s birthstones
December Birthstone: Blue Topaz. December Birthstone Color is Blue. The traditional December birthstone is the Blue Zircon, but there are various alternatives that are considered representative of December including turquoise, blue topaz and tanzanite. Blue Zircon is a natural gem (not to be confused with synthetic cubic zirconia) that is found in several places and mined primarily in Thailand, Cambodia and Vietnam.