This is a Moon Phase crystal grid made out of Birch wood. These are made to order, you can choose between approximately 4, 6, 8, 10, 12, and 14 inches in diameter and 4mm thick. This is just for the grid, stones must be purchased separately.
The moon is a feminine symbol, universally representing the rhythm of time as it embodies the cycle. The phases of the moon symbolize immortality and eternity, enlightenment or the dar k side of Nature herself.