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Ships within 48 hours · Estimated delivery Sep 19 - Sep 24
The etched design only adds to its allure
Dimensions: 74x47x26 mm / 2
Its dimensions are 130x83x57 mm
Weight: 204 grams - 7
Pseudomorph Goethite After Marcasite | Prophecy Stone | 45.2 gr | Farafra Oasis, Egypt Tatahouine The etched design only addsPseudomorphs 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
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