Blue Calcite: These Blue Calcite pieces from Mexico are just heavenly. They are extremely glossy and are extremely high quality. Blue Calcite is a soothing stone, wonderful for calming yourself, nerves and emotions. It is also a protection crystal when it comes to a person’s aura. Being a wonderful crystal for those prone to anxiety and for those who have issues speaking their mind or releasing negative emotions. Calcite is a wonderful absorption crystal when it comes to protecting your own energy. “Calcite forms from both the chemical precipitation of calcium carbonate and the transformation of shell, coral, fecal and algal debris into calcite during diagenesis. Limestone also forms as a deposit in caves from the precipitation of calcium carbonate.”