Dzharkenite
A variety of Minerals
What is Dzharkenite?
Orthorhombic ferroselite and its isometric polymorph dzharkenite are iron selenides of general formula FeSe2 precipitated under reducing conditions in anoxic environments. They are a source of selenium in the Rocky Mountains where selenium occurrence is associated with Upper Cretaceous shale deposits. In the frame of safety assessment calculations made for deep disposal of high-level radioactive waste, ferroselite and dzharkenite are also considered in geochemical calculations as one of the mineral phases limiting the solubility of Selenium-79.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Dzharkenite 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.
Dzharkenite Localities Map
See where Dzharkenite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Hardness (Mohs)
- 5
- Density
- 7.349 g/cm³
Chemical Properties
- Chemical Formula
- FeSe2
- Elements
- Fe, Se
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Dzharkenite FAQs
How do I identify Dzharkenite?
Dzharkenite can be identified by its hardness of 5 on the Mohs scale. Look for these key characteristics when examining specimens.
How hard is Dzharkenite?
Dzharkenite has a hardness of 5 on the Mohs scale. This gives it moderate hardness.
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