Tanzanite set on a ring along with diamonds The December gemstone is believed to bring peace of mind and prosperity. While zircon occurs in a rainbow of colors, the variety of the transparent gemstone most popularly accepted as the December stone is the blue zircon. gemology, after the gemstone replaced lapis lazuli in 1952. Zircon was traditionally the birthstone for December, and remains the December birthstone in modern U.S. Source: Rob Lavinsky, – CC-BY-SA-3.0 Zircon Zircon in different colors, including blue The December stone is believed to relieve mental tension and increase luck. This gemstone for December is a rare opaque stone that occurs in colors ranging from blue to green. Before the gemstone entered these ancient calendars as December gemstone, turquoise was a zodiac stone for Sagittarius, which falls partly on the month of December. The gemstone was an ancient birthstone of December from as far back as the old Polish and Russian calendar.

Turquoise is traditionally the birthstone for December, and remains the December birthstone in modern gemology. Traditional: Bloodstone, Ruby, Zircon & Lapis Lazuli.

December birthstone sapphire