French Minerals and Crystals of the World
30,00€
Specimen of massive black manganite with occasional nodules of pinkish manganogel.
Manganogel is composed of hydrated amorphous manganese oxide, like opal.
The veins of the Haut-Poirot manganese deposit are located in the Haut-Poirot and Lyris forests on both banks of the Roulier stream, 8 km from Gerardmer in the Vosges region of Alsace.
A little-known deposit.
Specimen of massive black manganite with occasional nodules of pinkish manganogel.
Manganogel is composed of hydrated amorphous manganese oxide, like opal.
The veins of the Haut-Poirot manganese deposit are located in the Haut-Poirot and Lyris forests on both banks of the Roulier stream, 8 km from Gerardmer in the Vosges region of Alsace.
A little-known deposit.
This post is also available in: French
| Weight | 0,376 kg |
|---|---|
| Dimensions | 8,5 × 5,5 × 5 cm |
