Colour: Garnet comes in variety of colour. Hardness: 7.25. Garnet is the Birthstone of January and Astrological stone for Aquarius. There are ten species of garnet, Almentine, the most recognized type of Garnet, is the only Garnet that is always a shade of red. The name Garnet comes from the latin word granatus meaning seed, as it resembles small seeds when found in it's crystal form. The main supply sources are in the Czech Republic and Siberia Russia.