Zircon is the most diverse of December's birthstones since it comes in a broader range of colors. This includes red, orange, yellow, brown, green and blue. Regardless of its namesake, zircon has ...

Then there’s alexandrite, which changes colors depending on the light—it ... Tanzanite (December), Turquoise (December), Zircon (December) Sagittarius boasts the most possible birthstones of any star ...