2T1548 Malachite ps. Cuprite
A pseudomorph of malachite after cuprite from Chessy, France. The diagonal measures 1.7 cm, the edges are 1.3 cm.
This deposit was worked for hundreds of years, until 1875. Although the mine has been closed for some time, these pseudos have since been intermittently collected off the dumps that were left behind. Today, they are considered European classics.