Optical Calcite (optc2)
Size: 1.75″ x 1.25″ x .75″
Weight: 70 grams
Meditation and Viisualization
Optical calcite has the unique optical property called double refraction. For example, if you look through a piece at a line drawn on paper, it will appear double.
Legend has it that the Vikings used these stones to navigate by because they could triangulate distances when looking through them.
These are good stones to use in meditation. They create a canvas on which visualization is enhanced.