manganosite
Unknown Owner
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Manganosite is a rare manganese oxide and usually is found as irregular grains or masses. This very rich, old-time specimen from Langban, Sweden features rare octahedrons, subhedral crystals and massive manganosite. The fresh, broken emerald-green crystals darken to brown or black upon exposure. This is a very rich, very uncommon example of the rare species and world-famous locale. Ex. Dennis Mullane Collection and accompanied by an older, faded Burminco label from the 1950s or 1960s.
Product details
Known provenance
| Date | Collector | Acquisition price |
|---|---|---|
| 08/2024 | Unknown Owner | Not disclosed |
| — | The Arkenstone | Not disclosed |
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