Dims: 2.5x1.7x2.0" (6.4x4.3x5.0cm)
Wt: 5.0 oz. (141g)
Sapucaia, Minas Gerais, Brazil
WHile most of the purpurite that we have had is massive, this is a sample of a purpurite crust that lines portions of the host rock. Under a 15x loupe, the crust has a good purple color, seems to look like stalactites in some areas, and at least one orthorohombic and somewhat transparent crystal is visible. The host rock is a jumble of minerals, including (I think) bornite, possibly sphalerite, psilomelane and limonite, plus some very interesting black crystals that superficially resemble schorl, but are likely something else.