ALL meanings of psilomelane
psi·lom·e·lane
P p - noun psilomelane a common mineral consisting of a mixture of pyrolusite and other oxides of manganese, usually found in black, rounded masses: an ore of manganese. 1
- noun psilomelane a common black to grey secondary mineral consisting of hydrated basic oxide of manganese and barium: a source of manganese. Formula: BaMn9O16(OH)4 0