Pyrolusite
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Pyrolusite crystals, 12cm, from the Maroco mine, Cuyuna Range. Peter Giangrande specimen, ex-Joe Heininger collection; Jeff Krueger photo.
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Species
Added on02/13/2026
Locality
Publications
- Mineralogical Record 56 4 page 117
Known provenance
| Date | Collector | Acquisition price |
|---|---|---|
| — | Joe Heininger | Not disclosed |
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Mineral guide
Learn about Pyrolusite
jet-black crystals and dramatic pseudomorphs with steel luster; prized display pieces from storied Mn deposits, Ilfeld and the Kalahari Field.Regional guide
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