The yellow type of quartz known as citrine has a SiO2 chemical makeup. In French, the word "citrine" is called "lemon." Citrine can be yellow, orange, or orange-red. Because of its fair hardness, it's the ideal stone for regular jewelry. Astrologically speaking, this yellow diamond has importance. It provides protection, prosperity, money, success, and positive energy to the user. The benefits of wearing citrine stone are advised for Gemini, Leo, Aries, and Libra to ward off bad energy.