Pseudojohannite
A variety of Minerals
What is Pseudojohannite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Pseudojohannite 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.
Pseudojohannite Localities Map
See where Pseudojohannite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Moss-green
- Density
- 4.38 g/cm³
Chemical Properties
- Chemical Formula
- Cu3(OH)2[(UO2)4(SO4)2]· 12H2O
- Elements
- Cu, H, O, S, U

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Pseudojohannite FAQs
How do I identify Pseudojohannite?
Pseudojohannite can be identified by its Moss-green color. Look for these key characteristics when examining specimens.
What color is Pseudojohannite?
Pseudojohannite typically appears in Moss-green. Color can vary depending on impurities and formation conditions.


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