Color: Green Blue

The impact mixed broken fragments of surface eucrites with iron and olivine from deep within the body

for instance

This new fall is in classification and looks to be a brecciated H chondrite with possible halite crystal

3 Grams / 13

Pseudomorph Goethite After Marcasite | Prophecy Stone | 37.6 gr | Farafra Oasis, Egypt Opal Color: Green BluePseudomorphs 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