Terracotta, terra cotta or terra-cotta (pronounced [ˌtɛrraˈkɔtta]; Italian: "baked earth", from the Latin terra cocta), a type of earthenware, is a clay-based unglazed or glazed ceramic, where the fired body is porous.

Blue Opal, also known as Andean or Peruvian Opal, is a variety of Common Opal that does not carry that “opal fire”. ... A stone of communication and creativity, Blue Opal allows you to speak your mind without fear or recrimination. It can help you believe in your own abilities and attract like-minded people into your life

Aqua Aura is used by crystal healers and others to calm the emotions and the emotional body. It is a powerful stress reliever. It is also a strong energy for reducing or eliminating anger. It is said to help process emotional disturbances, grief, and traumas to a point where they are no longer stressful.