Pseudomorph Goethite After Marcasite | Prophecy Stone | 76.2 gr | Farafra Oasis, Egypt Abee Origin: Mined in Bombay

Origin: Mined in Bombay

This never classified North West Africa stone was found in the Sahara Desert around 2000

Here we have for you a nice looking individual fragment of a Sahara Desert NWA unclassified meteorite weighing 52

Size: 34x21mm

but you can see reflections from within the crystals

Pseudomorph Goethite After Marcasite | Prophecy Stone | 76.2 gr | Farafra Oasis, Egypt Abee Origin: Mined in BombayPseudomorphs 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