Vasilseverginite
A variety of Minerals
What is Vasilseverginite?
Vasilseverginite is a very rare arsenate-sulfate mineral with formula Cu9O4(AsO4)2(SO4)2. Its structure is of a new type. Is possess a typical feature of many minerals of its type locality, the Tolbachik volcano, namely being a salt with oxide anions. However, it is the first Tolbachik copper oxysalt that is both arsenate and sulfate. Vasilseverginite is monoclinic, with space group P21/n.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Vasilseverginite 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
Chemical Properties
- Chemical Formula
- Cu9O4(AsO4)2(SO4)2
- Elements
- As, Cu, O, S
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