Pseudomorph Goethite After Marcasite | Prophecy Stone | 76.2 gr | Farafra Oasis, Egypt Mimetite the first era to exhibit

the first era to exhibit a proliferation of the complex life-forms that established the foundation of life as it is today

associated with many nice clear quartz crystal points

Dimensions: Gemstone:  8x6mm / Dangle Length:  35mm

4 Ounces (including box)  Origin: Mined in Santa Rosa mine

Product ID: PRYL4561

Pseudomorph Goethite After Marcasite | Prophecy Stone | 76.2 gr | Farafra Oasis, Egypt Mimetite the first era to exhibitPseudomorphs 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