Pyrite Cube in Matrix La Rioja Spain

PYRITE, Navajún, La Rioja, Spain

The crystal system is called isometric, or cubic, meaning that its smaller molecules form cubes. These specimens are roughly 130 millions years old. They are mined about 3 hours northeast of Madrid, in Navajún, La Rioja, Spain. 

SPANISH PYRITE IS FAMOUS FOR ITS CUBIC SHAPE. 

IT IS COMPLETELY NATURAL - NOT CUT OR POLISHED!

Matrix measures 1.45"x .1.23" Cube .50"