The Roman Catholic and Latin versions of the Old Testament refer to the November birthstone, citrine, as the "chrysolitus," or "gold stone". It was said to be one of the twelve stones on Aaron's breastplate. 

Citrine is a variety of quartz that ranges in colour from pale yellow to brownish-orange. It's mined in Russia and Madagascar, and is in the same family as amethyst. The two crystals can sometimes form together to create a unique stone called Ametrine.