Kernowite
A variety of Minerals
What is Kernowite?
Kernowite is a complex arsenate mineral with the composition Cu2Fe(AsO4(OH))4·4H2O. It was first described in 2020, and is closely related to liroconite, containing iron in the place of aluminium, making it green rather than blue. Its name is derived from Kernow, the name of Cornwall in the Cornish language, after being discovered in a rock mined c.1800 in the Wheal Gorland mine, St Day, Cornwall.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Kernowite 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.
Quick Facts
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