A Manganese inosilicate (or chain silicate)
Discovered in 1910 on the west coast of Tasmania
When the level of iron oxide is high
The original stones were often used as protective amulets and are usually scarred or pitted in places where they were ground off for use in traditional medicines
It forms when Quartz and Feldspar crystallize in radial aggregates within other silica-rich stones
Indigo Gabbro 6mm Large Hole Round - 8 Inch HPS_07132023 A Manganese inosilicate (or chainIndigo gabbro is a color variant of the igneous mineral, gabbro. Typically, this color forms black, but occasionally gabbro comes in oranges and greens, with indigo being the most rare. Metaphysically, this stone can be used to ground the wearer during stressful periods, or during meditation. This stone is considered to have many different metaphysical properties, which has earned it the nickname Merlin stone, or merlinite.