WE PRESENT THIS PIECE OF OLIGISTO NICACEO WITH SPECKLES OF JUMILLITA. WE CAN ALSO SEE SPECKLES OF HEMATITE AND SOME LOOSE CRYSTAL OF APATITE. PIECE EXTRACTED IN THE CELIA MINE IN JUMILLA, MURCIA.
The Oligist adopts different appearances such as the shape of the crystal and the color, which can be reddish, ocher, silvery gray, dark gray and black.
It generally has a submetallic, dull, or earthy sheen.
In most cases they look like small mirrors.
It is a mineral product of the mixture of Pyrite and Magnetite .
