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Pseudomorph Goethite After Marcasite | Prophecy Stone | 29 gr | Farafra Oasis, Egypt Tanzanite This is a sculpted plate

Name: Pseudomorph Goethite After Marcasite | Prophecy Stone | 29 gr | Farafra Oasis, Egypt Tanzanite This is a sculpted plate
Brand: www.drweissflog.de
SKU: 17619387401
Price: 24.00 USD
Availability: InStock
Rating: 4.4536 (28 reviews)

SKU: 17619387401

4.5

USD24.00 USD71.00

Pseudomorph Goethite After Marcasite | Prophecy Stone | 29 gr | Farafra Oasis, Egypt Tanzanite This is a sculpted plate

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Description

This is a sculpted plate of Limonite after Pyrite

Size: 20x15mm

very few specimens show any crust

Product ID: QZSM1502

Dimensions: 66x49x37mm / 2

Pseudomorph Goethite After Marcasite | Prophecy Stone | 29 gr | Farafra Oasis, Egypt Tanzanite This is a sculpted platePseudomorphs 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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