Carnelian is a semiprecious gemstone from the Quartz family. This stone increases confidence and brings balance and harmony to life. It is also said to enhance passion and desire. This gem stone is available in colors ranging from orange to reddish brown. Carnelian gemstone has the reputation of being a healing stone. The Planetary ruler of this stone is Mars. Carnelian is the Zodiac stone for the signs of Aries, Taurus, Leo, Virgo and Capricorn. It is also the birthstone for those born in the month of July.