Agate geodes are believed to be able to shape your future. They can bridge communications and they are also helpful for clearing your mind for meditation. Agate geodes are especially powerful in alleviating stress and strengthening spirituality. Agate enhances creativity and strengthens the intellect, making it a beneficial stone for both students and artists. It is also known as a good luck stone. As a stone of harmony, one of the things agate does is balance yin/yang energy. The stones are around 2cm. All stones are unique and may vary in size and color.