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Ships within 48 hours · Estimated delivery Sep 13 - Sep 18
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It is almost round at 40x32x29mm in size
This is an incredible part slice of the Abee meteorite (MB 8) that fell in Alberta
Here we have for you a large 39 grams superbly shaped Indochinite Tektite from Maoming City
Bornite and Pyrite Crystal Cluster
Pseudomorph Goethite After Marcasite | Prophecy Stone | 38 gr | Farafra Oasis, Egypt Iron Weight: 0Pseudomorphs 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
