January's birthstone is Garnet. Garnet is a gemstone that comes in many colors, typically red, but also variations such as orange, yellow, green, and purple.

Garnets have been widely known and used as gemstones since ancient times. Due to its beautiful color and high hardness, it is popular as a jewelry item. Garnet is also widely recognized as the birthstone for January.

Garnet is also a symbol of passion, loyalty, friendship, and trust. It is also said to bring good luck and success.

Garnets are widely available in the gemstone market and come in a variety of shapes and cuts. It is loved by a wide range of people because it is located in a relatively affordable price range among jewelry.

There are many types of garnet, each with its own unique characteristics. Common garnet types include alamandite (andradite), pillow (rhodolite), tsavorite, spinel, and demantoid.