Aventurine belongs to the Quartz family and has the reputation as the gemstone of luck and a calming stone. This stone is considered lucky while gambling and purchasing lotteries. This stone is also known as sunstone. This stone is found in shades of blue, red and green. .Aventurine is the birthstone of February and the Wedding Anniversary gemstone associated with the 8th and 17th year of marriage. This stone is most suited for those born under the zodiac sign Aries, Taurus, Pisces, Sagittarius, Capricorn and Libra.