Pseudomorph Goethite After Marcasite | Prophecy Stone | 59.8gr | Farafra Oasis, Egypt Bixbyite Approx Weight (per piece): 9

Approx Weight (per piece):  9

It is also thought to have a calming effect on the mind and emotions

clean faces and distinct

Dimensions: 59x42x26 mm / 2

The Kowala section situated in the southern part of the Holy Cross Mountains represents continuous sedimentation in almost the same facies across the Devonian-Carboniferous transition

Pseudomorph Goethite After Marcasite | Prophecy Stone | 59.8gr | Farafra Oasis, Egypt Bixbyite Approx Weight (per piece): 9Pseudomorphs 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