GEMINI COMMON FEATURES:   The main gemstone:  Topaz   Element:  Air   Ruler:  Mercury   Personal qualities:  Dualistic. Instinctual mind. Facile intelligence. Dexterity. Mimicry. GEMINI SPECIFIC FEATURES:   People born in the period of May 22 - May 31 are influenced by Jupiter. They are intelligent, unselfish, have a good intuition, and a talent for art.   LUCKY STONES: agate, amazonite, rock crystal , moonstone, malachite, nephrite , obsidian, rhodonite, quartz , sapphirine, cornelian , tigers eye.   IMPORTANT YEARS:  10, 20, 30, 40, 50, 60, 70.   People born in the period of June 1 - June 10 are influenced by Mars. They are aggressive, sarcastic, anxious, concerned.   LUCKY STONES:  jade, pearl, cat's-eye, onyx, opal, sardonyx, chalcedony, chrysoprase, citrine, amber.   IMPORTANT YEARS: 8, 10, 16, 20, 32, 40, 48, 56, 64, 72.   People born in the period of June 11 - June 21 are influenced by Sun. They are uncontrollable, authoritative, short-tempered, vainglorious and talkative.   LUCKY STONES:  alexandrite, beryl, garnet, emerald, sapphire, topaz, tourmaline.   IMPORTANT YEARS: 10, 20, 30, 40, 50, 60, 70, 80.