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Ships within 48 hours · Estimated delivery Sep 5 - Sep 10
Reserve from the case
Ships within 48 hours · Estimated delivery Sep 5 - Sep 10
8 gram Impact Vesicular Breccia also referred to as Suevite coming from the famous Rochechouart impact structure in Southwestern France
Dimensions: 66x43x41 mm / 2
Typical clast deformation looks looking like a loaf cut into slices but not fully broken into pieces
This is an outstanding Monturaqui Impactite specimen weighing 5
Weight: 129
Pseudomorph Goethite After Marcasite | Prophecy Stone | 51.7 gr | Farafra Oasis, Egypt | SO24 H6 8 gram Impact Vesicular BrecciaPseudomorphs 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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