The Birthstone of Sagittarius is the Lapis Lazuli. Lapis Lazuli is one of the birthstones of this global thinker. Lapis is a stone for the third eye and deepens the connection to your own inner wisdom, intuition and truth. It is an opaque blue stone with the magical power of the earth to help manifest those creative impulses and insights into something tangible. Lapis was one of the sacred stones used in abundance in Egyptian jewelry in combination with gold and coral.
Venus Square to Mars. Venus, the goddess of love, harmony and beauty is fighting with her lover Mars over their very different point of views. Venus is in Scorpio and wants deep commitment and honesty. Mars is in playful Leo and likes to play, seduce and tempt the goddess. Men are from Mars and women are from Venus and they are often very different if their perspectives, needs and desires. I always thought that book from John Gray was genius in playing on the deep archetypes we all have in us.
The influence of the moon on the Zodiac is a study in and of itself. When you are aware of your sun sign, you can use information about the cycles of the moon and the moon signs to determine the best time to make decisions or avoid certain activities. The moon signs are named the same as the Zodiac, but do not coincide with them.