The mine is composed of 14 chambers with trapezoidal profiles, having a 10 m opening to the ceiling and 32 m to the ground, a height of 54 m and a wall inclination angle of 60 degrees. The shore difference between the surface and the base of the mine is of 208 m and it is covered by the elevator in 90 seconds. Since 2014 the elevator is out of order. The excavated space occupies a volume of 2.9 million m³ and it is extended on a surface of 78,000 m².