Size: 15x10

7 g was found by Jim Smaller on October 29

040 gram and is housed in a membrane box for display

Specimen Size:   Cabinet -Sized

This is a sparkly cluster of small Cerussite crystals cornered by pink bladed barite on a bed of galena

Pseudomorph Goethite After Marcasite | Prophecy Stone | 17 gr | Farafra Oasis, Egypt IAB-MG Size: 15x10Pseudomorphs 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