The Indigo by Chakrubs is made from 100 percent blue aventurine, Blue Aventurine combines the elements of Wind and Water in a gentle stone that resonates from the mind to the heart, working calmly, rationally, and steadily. It enhances the masculine energy in both males and females, and is a stone of self-discipline and inner strength, assisting one in making clear decisions and sticking by them. It promotes taking full responsibility for one's life, relationships and experiences, while lending the support needed to empower change when the current reality isn't working. Blue Aventurine helps calm and relax fiery emotions, allowing one to be less affected by external influences and to be more in control and at peace within oneself. Color and size variations may occur because they are hand shaped and made out of pure aventurine. Slight imperfections in the crystal are normal as they are hand polished and shaped without dyes or chemicals. Intended for adult use only. Circumference is 2.5" at the small end and 3.5" at the large end. Materials: Blue Aventurine Dimensions: 7"L x 1"W x 0.5"H Weight: 0.8 lbs"