Rough stones are basically stones that are in their natural form and have not been tumbled.
Blue Calcite is a very powerful stone when it comes to soothing and relaxing the emotional body. This stone is known to calm emotions and offers mental and etheric protection. Blue Calcite is very protective when it comes to one's aura, and offers very strong transmutational energies. When carrying or wearing Blue Calcite, it acts as a sponge and absorbs all energy coming to you. It filters out the negative vibrations and transmutes them back out into high positive energy.