Manganite
Unknown Owner
Help improve this recordNo owner is registered for this specimen yet. If it's yours or you know more about it, you can add the owner, provenance, publications and other details.
A choice example for the species, especially from this old locality. These are bright lustrous botryoidal crystallized manganite on matrix. This is in terrific condition. At one time part of the collection of John Brottlund who worked at this mine and was responsible for the large majority of the specimens recovered.
Product details
SpeciesManganite
SizeCabinet
Dimensions11.0 x 9.0 x 3.5 cm
Added on12/14/2024
LocalityUSA, Michigan, Montreal Mine
Known provenance
| Date | Collector | Acquisition price |
|---|---|---|
| 06/2025 | Unknown Owner | $900.00 |
| — | Weinrich Minerals | Not disclosed |
Learn more
Mineral guide
Learn about Manganite
black metallic MnO(OH) with steel-gray luster and crisp, striated crystals; sought for large, lustrous specimens from Ilfeld and Kalahari Field.Regional guide
Comments