One Off - Polished Golden Optical Calcite Rhombohedron prism, size 4.1cm x 3cm
Natural Calcite Rhombohedron prism, honey calcite. Translucent and loads of Rainbows through out. Note: Calcite is a soft material so care is required when handling. The shape of these are natural, this is how the crystal grows, in layers forming the overall Rhomo shape, the edges how ever have been smoothed.