Septarian Aura Stone Pair Highly polished Septarian aura stone pair. Septarian is a mixture of Aragonite, Calcite and Limestone The name Septarian comes from the Latin word "septem", meaning seven, because it seems to form in patterns of seven. The yellow colored material is Calcite, the brown is Aragonite, and the outer grey is limestone. The energy is pure Earth brown. You will receive the exact item shown. Septarian is a healing stone that is excellent for removing stress an anxiety. It is a calming meditation crystal, and it brings solid Wood Energy into a room or life. small (1.5 - 2 inches)