Psilomelane (Mn-Oxides)
Unknown Owner
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A large lustrous blue botryoidal example of what is known as psilomelane, basically mixed manganese oxides. In great condition. The specimen comes with a wooden Chinese style display base.
Product details
Known provenance
| Date | Collector | Acquisition price |
|---|---|---|
| 03/2026 | Unknown Owner | $475.00 |
| — | Weinrich Minerals | Not disclosed |
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