Traditional Zodiac Monthly Gemstones
If you were born in January, almost all traditions, including modern North American ones, name agate as your birthstone.
Agate is the stone of this month in the Hebrew, Roman, Arabic, Polish, and Russian traditions.
Regarding the signs of the zodiac, if you were born from January 1 to January 22, you were born under the sign of Capricorn and your birthstone would be a sapphire!
If you were born in February, your birthstone is amethyst according to almost every tradition, including modern North American, Hebrew, Roman, Arabic, Polish, and Russian traditions.
Regarding zodiac signs, if you were born before February 22nd, you belong to the sign of Aquarius and your star stone will be garnet.