For all of those with an January birthday, your birthstone is Garnet. Garnet name originates from the medieval Latin granatus, which means "pomegranate," in reference to the similar deep red colour in garnet. Red garnets have a long history, but modern in the modern gem world you can pick from a rich palette of colours such as greens, oranges, deeply saturated purply-reds and even some blue. Red garnet is one of the most common and popular colour. A green garnet is also known as tsavorite and is rare as it needs a rare rock, chemistry and changes to the conditions to form it.