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Ships within 48 hours · Estimated delivery Sep 14 - Sep 19
Reserve from the case
Ships within 48 hours · Estimated delivery Sep 14 - Sep 19
While it's commonly colorless or white
Super bright and shows large complete crystals
This specimen of Manganite is distinctive enough to show its true identity and is a beautiful and interesting specimen for display
Weight: 68
Color: Bright Aqua Blue
Pseudomorph Goethite After Marcasite | Prophecy Stone | 44.4 gr | Farafra Oasis, Egypt Stilbite While it's commonly colorless orPseudomorphs 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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