13 Witches Runes... A modern rune set for the modern-day witch. It uses a series of symbols for divination and/or magic work. The 13 is said to represent the number of moons in a year. Green Aventurine... the "Stone of Opportunity". It is known as the luckiest of all crystals especially in manifesting wealth and prosperity. It is a "growth crystal" that nurtures relationships or new business ventures. It activates the Heart Chakra, balances the emotional body, and aids in emotional recovery. It absorbs electromagnetic smog and protects against pollution.