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 crystal structure referred to as an "iron-cross twin," which means two interlocking pentagonal dodecahedra form a cross-symmetry.
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From Gachala, Columbia
Average Size ~ 2.75 inches
Each item is unique; items vary slightly in shape and appearance.
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