Etymology and history The name of Citrine is derived from Latin citrina which means "yellow" and is also the origin of the word "citron." Sometimes citrine and amethyst can be found together in the same crystal and is referred to as ametrine. Citrine is one of three traditional birthstones for the month of November. Citrine description Citrine is a variety of quartz whose color ranges from a pale yellow to brown. Natural citrines are rare; most commercial citrines are heat-treated amethysts or smoky quartzes. It is nearly impossible to tell cut citrine from yellow topaz visibly, but they differ in hardness. Citrine has ferric impurities, and is rarely found naturally. Citrine is named from its lemon color, which owes to the... more about citrine » | more about stones used in our jewelry »