Also known as the Dragonstone, Septarian nodules are quite unique due to they way they formed as a result of a volcanic eruption that attracted dead sea life, chemically bonding them into the sediment and forming dark mud balls. This stone is distinctive in appearance with its yellow, brown and gray tones combined in large bands. Intrinsic Trading Septarian is believed to be a stone of confidence and grounding in the metaphysical world, enhancing patience, emotional flexibility, and tolerance. It is a stone to carry or wear if one wants to improve communication. Septarian is very effective for those who fall under the Zodiac sign of Taurus and found in Madagascar.