25mm (including bail) X 15.5mm Stone is 7mm -The Merkaba or The Star of Tetrahedron is a symbol of Sacred Geometry! 

The merkaba is an ancient symbol that is used to help with communication of one’s personal spirit with the divine.

Used since antiquity as a healing stone, Garnet promotes personal freedom of expression and vitality.

This stone is great for one’s general well-being and creativity.