Psilomelane is a group name for hard black manganese oxides including hollandite and romanechite. Psilomelane is erroneously, and uncommonly, known as black hematite. It is mined in Vermont, Virginia, Arkansas, and Nova Scotia.

Psilomelane is for the third eye chakra. Used for scrying and gazing. Used for lungs including its clearance, its walls, pneumonia, skin infections, diabetes, insulin control, carbohydrate conversion. 

Stone sizes range from 1/2" - 3/4"