Uranophane specimens for sale
1 for sale · $950 USD
9 in the gallery
Uranophane is a hydrous uranyl silicate mineral that forms in oxidized zones of uranium-bearing rocks. It typically occurs as radiating, needle-like to acicular crystals or granular aggregates with a pale yellow to amber hue and a vitreous to resinous luster. The mineral’s distinctive composition includes uranyl groups coordinated with silicon-oxygen chains and waters, giving it a complex lattice that often fractures with a glassy sheen.
- Formula
- Ca(UO2)2(SiO3OH)2 · 5H2O
- Rarity
- Rare
- Stability
- Moderately Stable
- Collector interest
- Moderate Interest
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Where Uranophane is found
Top localities
- Musonoi Mine5 specimens
- Kaiserer quarry1 specimen
- Lohning quarry1 specimen
- Shinkolobwe Mine1 specimen
- Weisser Hirsch mine, Schneeberg, Erzgebirgskreis1 specimen
About Uranophane
Notable specimens have been recovered from uranium-rich environments in DR Congo, Canada, the United States, Germany, and Austria, where secondary minerals fill vuggy cavities in altered rocks. Collectors value Uranophane for its unusual color, elongated habit, and the intrigue of uranyl silicates, which reflect unique crystallographic patterns and a striking presence under magnification. While sometimes appearing as delicate sprays, its association with secondary ore deposits and distinctive optical properties make it a sought-after piece for display and study.