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Ships within 48 hours · Estimated delivery Sep 12 - Sep 17
Color: Multicolor
Weight: 131 Grams / 4
Weight: 204 grams - 7
Its dimensions are 130x83x57 mm
Pseudomorph Goethite After Marcasite | Prophecy Stone | 45.2 gr | Farafra Oasis, Egypt Tatahouine Color: MulticolorPseudomorphs 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
