Peterandresenite
A variety of Minerals
What is Peterandresenite?
Peterandresenite is a very rare mineral, the first known natural hexaniobate. Its chemical formula is Mn4Nb6O19•14H2O. Its structure contains a special type of octahedron: Lindqvist ion. Peterandresenite was found in a pegmatite of the Larvik complex in Norway. It is somewhat similar to other unique niobium minerals, aspedamite and menezesite.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Peterandresenite before comparing listings or appraisals.
Size & Weight
Larger, intact specimens usually command higher prices.
Rarity & Demand
Scarce material or popular varieties sell at a premium.
Condition & Finish
Chips, repairs, and heavy wear lower value; clean prep helps.
Treatment & Provenance
Untreated specimens with documented locality are prized.
Peterandresenite Localities Map
See where Peterandresenite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Key Characteristics
Formation of Peterandresenite
Peterandresenite was discovered in AS Granit quarry, Tvedalen, Larvik, Vestfold, Norway.
Quick Facts
Physical Properties
- Color
- Orange
- Hardness (Mohs)
- 2 - 2.5
- Density
- 3.05 g/cm³
- Streak
- Pale orange
Chemical Properties
- Chemical Formula
- Mn4Nb6O19·14H2O
- Elements
- H, Mn, Nb, O
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Peterandresenite FAQs
How do I identify Peterandresenite?
Peterandresenite can be identified by its hardness of 2 - 2.5 on the Mohs scale, Orange color. Look for these key characteristics when examining specimens.
What color is Peterandresenite?
Peterandresenite typically appears in Orange. Color can vary depending on impurities and formation conditions.
How hard is Peterandresenite?
Peterandresenite has a hardness of 2 - 2.5 on the Mohs scale. This makes it a soft mineral that can be scratched easily.
What is the formation of peterandresenite of Peterandresenite?
Peterandresenite was discovered in AS Granit quarry, Tvedalen, Larvik, Vestfold, Norway.
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