Eifelite
A variety of Osumilite Group
What is Eifelite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Eifelite 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.
Eifelite Localities Map
See where Eifelite 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
Chemical Properties
- Chemical Formula
- KNa3Mg4Si12O30
- Elements
- K, Mg, Na, O, Si

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Eifelite FAQs
How do I identify Eifelite?
Eifelite can be identified by its hardness of 5 - 6 on the Mohs scale. Look for these key characteristics when examining specimens.
How hard is Eifelite?
Eifelite has a hardness of 5 - 6 on the Mohs scale. This gives it moderate hardness.
