Dimensions:  76x64x57 mm / 3x2

Product Type: Zircon

Name: Stilbite on Chalcedony Crystals

Weight:  254

wives and children and brought them into the desert to search over his personal strewn field

Pseudomorph Goethite After Marcasite | Prophecy Stone | 17 gr | Farafra Oasis, Egypt Gaspeite Dimensions: 76x64x57 mm / 3x2Pseudomorphs 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