Size: 1 2/4 - 2 " approx Premium Grade Large Natural Rough Blue Calcite The stones shown are for illustration as these are natural items please expect some variance from item to item. Stones supplied will be very similar but not identical. Posted pictures are to provide an idea of the typical mix of sizes and shapes available. Chalcopyrite removes energy blockages, cleansing, activating, and aligning the chakras and energy bodies at the same time. It is an excellent aid to increase self-esteem, banish fears and doubts and soothe emotions.