Pyrite Crystals on matrix - Height: 100 mm - Width: 100 mm- 370 g - (1)

Single pyrite specimen from Navajún, La Rioja, Spain, weighing 370 g with a 100 × 100 × 50 mm matrix bearing six cubic crystals up to 40 mm long, of which two cubes are embedded in the matrix and not exposed, with a bright, specular finish and glued to the matrix to reassemble the group for a classic mineral collection.