Citrine: the birthstone of November. Citrine is the transparent yellow to brownish orange variety of quartz. It has been used in jewelry for many years and is prized for its charming yellow and orange hues. It is known to have calming energies while bringing fortune and warmth to the wearer. People have also believed citrine could soothe tempers and calm the wearer. The Citrine birthstone is one of the most affordable and desired yellow gemstones.