Pseudomorph Goethite After Marcasite | Prophecy Stone | 30 gr | Farafra Oasis, Egypt | SO24 Pseudomorph known as phantoms

known as phantoms

Dimensions: 99x99x87 mm / 3

Orthoclase is a feldspar mineral commonly found in igneous rocks like granite

Chrome diopside is believed to promote emotional healing

with dimensions of 23x20x18 mm

Pseudomorph Goethite After Marcasite | Prophecy Stone | 30 gr | Farafra Oasis, Egypt | SO24 Pseudomorph known as phantomsPseudomorphs 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