Its dimensions are 45x27x25 mm

Shape: Baguette Cut

2 Grams / 1

60 g was found by Pete Meyers on May 18

Its dimensions are 37x27x3 mm and it has a crusted edge

Pseudomorph Goethite After Marcasite | Prophecy Stone | 38 gr | Farafra Oasis, Egypt Calcite Its dimensions are 45x27x25 mmPseudomorphs 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