Mangano-ferri-eckermannite
A variety of Minerals
What is Mangano-ferri-eckermannite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Mangano-ferri-eckermannite 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.
Mangano-ferri-eckermannite Localities Map
See where Mangano-ferri-eckermannite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Reddish-black to black.
- Hardness (Mohs)
- 5
- Streak
- Light purplish-brown.
Chemical Properties
- Chemical Formula
- {Na}{Na2}{Mn2+4Fe3+}Si8O22(OH)2 The Eckermannite minerals are sodium amphiboles defined with A(Na+K+2Ca)> 0.5 apfu and 0.5 apfu < C(Al+Fe3++2Ti) < 1.5 apfu with Al>Fe3+ in the C3+ position. Normally if Fe3+ > Al, these minerals are named with an arvfedsonite root-name. For some reason, it has been decided to introduce the name ferri-eckermannite for this mineral. Mangano-ferri-eckermannite is defined with A position: Na dominant C2+ position: Mn dominant C3+ position: Fe dominant W position: (OH) dominant
- Elements
- Fe, H, Mn, Na, O, Si
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Mangano-ferri-eckermannite FAQs
How do I identify Mangano-ferri-eckermannite?
Mangano-ferri-eckermannite can be identified by its hardness of 5 on the Mohs scale, Reddish-black to black. color. Look for these key characteristics when examining specimens.
What color is Mangano-ferri-eckermannite?
Mangano-ferri-eckermannite typically appears in Reddish-black to black.. Color can vary depending on impurities and formation conditions.
How hard is Mangano-ferri-eckermannite?
Mangano-ferri-eckermannite has a hardness of 5 on the Mohs scale. This gives it moderate hardness.
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