The birthstone for July is Ruby a red variety of the mineral corundum that gets its color from chromium. The name "ruby" comes from the Latin word ruber, which means "red". Rubies are known for their intense color and are considered the "king of gemstones". They are associated with passion, vitality, courage, love, health, and wisdom, and are believed to bring good luck and protect the wearer from harm. Rubies are a good birthstone for someone born in July