Fenaksite
A variety of Litidionite Group
What is Fenaksite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Fenaksite 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.
Fenaksite Localities Map
See where Fenaksite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Hardness (Mohs)
- 5 - 5.5
Chemical Properties
- Chemical Formula
- (K,Na)4(Fe,Mn)2(Si4O10)2(OH,F)
- Elements
- Fe, K, Na, O, Si
Also Known As

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Fenaksite FAQs
How do I identify Fenaksite?
Fenaksite can be identified by its hardness of 5 - 5.5 on the Mohs scale. Look for these key characteristics when examining specimens.
How hard is Fenaksite?
Fenaksite has a hardness of 5 - 5.5 on the Mohs scale. This gives it moderate hardness.