Iron Cross Twin Pyrite, otherwise known as Goethite PS After Pyrite, is pseudomorph pyrite with goethite replacing the outer facades. This pyrite crystal has a unique structure referred to as an "iron-cross twin" which means two interlocking pentagonal dodecahedra form a cross-symmetry.
For more information, check out this blog!
From Gachala, Columbia
Average Size ~ 2.75 inches
Each item is unique; items vary slightly in shape and appearance.