Eckermannite
A variety of Eckermannite Root Name Group
What is Eckermannite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge 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.
Eckermannite Localities Map
See where Eckermannite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Hardness (Mohs)
- 5 - 6
- Density
- 3.02 g/cm³
Chemical Properties
- Chemical Formula
- NaNa2(Mg4Al}Si8O22(OH)2 The eckermannite group 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 as the dominant element Eckermannite is defined with A position: Na dominant C2+ position: Mg dominant C3+ position: Al dominant W position: (OH) dominant
- Elements
- Al, H, Mg, Na, O, Si
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Eckermannite FAQs
How do I identify Eckermannite?
Eckermannite can be identified by its hardness of 5 - 6 on the Mohs scale. Look for these key characteristics when examining specimens.
How hard is Eckermannite?
Eckermannite has a hardness of 5 - 6 on the Mohs scale. This gives it moderate hardness.