Bead Size: 13x9 to 21x12mm

including Sri Lanka

Product ID: TUBL90844

Weight: 240 Grams / 8

Product Type:  Ruby Crystal Wrapped In Silver Wire Pendant

Pseudomorph Goethite After Marcasite | Prophecy Stone | 29 gr | Farafra Oasis, Egypt Skutterudite Bead Size: 13x9 to 21x12mmPseudomorphs 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