CANCER COMMON FEATURES:   The main gemstone:  Emerald   Element:  Water   Ruler:  Moon   Personal qualities:  Fertility. Motherliness. Archetypal. Protective. CANCER SPECIFIC FEATURES:   People born in the period of June 22 - July 1 are kind, passionate, sensitive. They often demonstrate a talent for painting.   LUCKY STONES: aventurine, agate, amethyst, hematite, rock crystal , serpentine, moonstone, quartz , cornelian , jasper.   IMPORTANT YEARS:  25, 50, 75.   People born in the period of July 2 - July 11 are influenced by Mercury. They are light-headed, inquisitive, ironic, affected.   LUCKY STONES:  turquoise, heliotrope, pearls, cat's-eye, opal, sardonyx, chalcedony, chrysoprase.   IMPORTANT YEARS: 15, 25, 30, 35, 40, 45, 50, 55, 60, 75.   People born in the period of July 12 - July 23 are influenced by the Moon. They dreamy, restless, sensitive.   LUCKY STONES:  aquamarine, beryl, emerald, ruby, tourmaline, spinel.   IMPORTANT YEARS: 16, 26, 36, 48, 50, 60, 72.