A larger sized geode. These Calcite Geodes make a unique gift idea. A beautiful Geode filled with Calcite and Quartz crystals from Morocco.  Opening them is easy. They also tend to produce more crystals. A geode is a round rock which contains a hollow cavity lined with crystals. Rocks which are completely filled with small compact crystal. Calcite is a carbonate mineral and the most stable polymorph of calcium carbonate. Calcite is thought to amplify thought, improve memory and intellectual capacity; promote mental growth and development. Please Note: The size, shape and colour of the product you will receive will differ slightly from the product shown in the image as it is a natural stone.