Pseudomorph Goethite After Marcasite | Prophecy Stone | 66.7 gr | Farafra Oasis, Egypt Anapaite This is a stunning Boxhole

This is a stunning Boxhole classified meteorite weighing 8

Treatment: None

Shape: Round Facet

5cm across x 3

Calcite is associated with clarity

Pseudomorph Goethite After Marcasite | Prophecy Stone | 66.7 gr | Farafra Oasis, Egypt Anapaite This is a stunning BoxholePseudomorphs are mineral specimens that have the external shape of one mineral but are composed of another. The pseudomorph goethite after marcasite forms when marcasite is exposed to oxidizing conditions and starts to oxidize and break down. As the marcasite breaks down, goethite replaces it in the crystal structure, preserving the shape of the original marcasite crystal. The resulting specimen appears as a marcasite crystal, but is actually composed