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Here we have for you a nice looking individual fragment of a Sahara Desert NWA unclassified meteorite weighing 212 grams
Product ID: TONB3217
Weight: 123
Dimensions: 105x52x38 mm / 4
Finch found two stones in this plain in 1970 and 1971
Pseudomorph Goethite After Marcasite | Prophecy Stone | 17 gr | Farafra Oasis, Egypt Sodalite Here we have for youPseudomorphs 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
