Shumwayite
A variety of Minerals
What is Shumwayite?
Shumwayite is a rare but relatively simple uranyl sulfate mineral with the formula (UO2)2(SO4)2•5H2O. It was discovered in the Green Lizard and Giveaway-Simplot mines of the White Canyon mining district, San Juan County, Utah, US.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Shumwayite 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.
Shumwayite Localities Map
See where Shumwayite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Pale greenish-yellow
- Hardness (Mohs)
- 2
- Density
- 3.844 g/cm³
- Streak
- White
Chemical Properties
- Chemical Formula
- (UO2)2(SO4)2·5H2O Structural formula: [(UO2)(SO4)(H2O)2]2·5H2O
- Elements
- H, O, S, U
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Shumwayite FAQs
How do I identify Shumwayite?
Shumwayite can be identified by its hardness of 2 on the Mohs scale, Pale greenish-yellow color. Look for these key characteristics when examining specimens.
What color is Shumwayite?
Shumwayite typically appears in Pale greenish-yellow. Color can vary depending on impurities and formation conditions.
How hard is Shumwayite?
Shumwayite has a hardness of 2 on the Mohs scale. This makes it a soft mineral that can be scratched easily.
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