Beautifully cubic PYRIT crystals with typical waxy grooves - partially oxidized on the surface and with colourful tarnishing.
You don't see it every day!
The PYRITE sit on MANGANO CALCITEN with beautiful edges and surfaces.
Ancient find from Pasto Bueno in the ANCASH region - ANDES - PERU
Weight: 450 g Dimensions:_ 12 x 10 x 4 cm
Picture 4 is the back