Bobcookite
A variety of Minerals
What is Bobcookite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Bobcookite 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.
Bobcookite Localities Map
See where Bobcookite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Lime green to greenish-yellow
- Hardness (Mohs)
- 2.5
- Density
- 2.669 g/cm³
- Streak
- Very pale yellowish green
Chemical Properties
- Chemical Formula
- NaAl(UO2)2(SO4)4·18H2O
- Elements
- Al, H, Na, O, S, U
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Bobcookite FAQs
How do I identify Bobcookite?
Bobcookite can be identified by its hardness of 2.5 on the Mohs scale, Lime green to greenish-yellow color. Look for these key characteristics when examining specimens.
What color is Bobcookite?
Bobcookite typically appears in Lime green to greenish-yellow. Color can vary depending on impurities and formation conditions.
How hard is Bobcookite?
Bobcookite has a hardness of 2.5 on the Mohs scale. This makes it a soft mineral that can be scratched easily.
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