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.
It is not a very expensive stone and is made into necklaces or bigger pieces for jewelry purposes. I especially like the deep, dark blue version with golden pyrite sprinkles creating very unique patterns mined only in Afghanistan. The lighter blue, grayish variety is found in Chile.
As any surfer here in Hawaii will testify, it is always easier to go with the flow than against it. Life also has a flow, which emanates from the universal forces. With the right awareness and understanding, you can learn to be in harmony with the flow of the universal forces in your life, using them to achieve your goals and dreams. Using astrology to read and interpret the universal forces at work in any given period will give you a real advantage in your ability to deal with challenges in your life and take advantages of the opportunities that present themselves.