ARIES COMMON FEATURES:   The main gemstone:  Ruby   Element:  Fire   Ruler:  Mars   Personal qualities:  Primal energy. Self assertiveness. Daring and initiative. Enterprise and adventure. ARIES SPECIFIC FEATURES:  People born in the period of March 21 - March 30 are influenced by Mars. They are especially brave, energetic, strong, firm, undisciplined, courageous, and passionate.   LUCKY STONES: agate, amazonite, hematite, rock crystal, serpentine, cornelian, Lapis Lazuli, malachite, quartz , sapphirine, hawk's-eye, tigers eye, jasper.   IMPORTANT YEARS:  15, 30, 45, 75.   People born in the period of March 31 - April 9 are influenced by Sun. They are proud, generous, noble, brave, ambitious, know how to surmount obstacles.   LUCKY STONES:  heliotrope, pearl, coral, cat's-eye, sardonyx, amber.   IMPORTANT YEARS: 15, 19, 30, 35, 45, 57, 60, 76.   People born in the period of April 10 - April 20 are influenced by Venus. They are passionate, tender, smart, brisk, impulsive, music-lovers and very fond of fine arts.   LUCKY STONES:  diamond, garnet, ruby, sapphire, zircon.   IMPORTANT YEARS: 15, 30, 36, 40, 60, 66.