Coconinoite
A variety of Minerals

What is Coconinoite?
Coconinoite is a uranium ore that was discovered in Coconino County, Arizona. It is a phosphate mineral; or uranyl phosphate mineral along with other subclass uranium U minerals like blatonite, boltwoodite, metazeunerite and rutherfordine.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Coconinoite 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.
Coconinoite Localities Map
See where Coconinoite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Key Characteristics
Characteristics of Coconinoite
The mineral has a white streak and a pale creamy yellow color. The mineral occurs as microscopic crystals, the largest found is 6 by 20 micrometers. It is a radioactive mineral, but not fluorescent. Upon heating for dehydration it is found that the mineral loses some of its SO2 at 600 to 800 °C.
Composition of Coconinoite
The chemical formula is Fe2Al2(UO2)2(PO4)4(SO4)(OH)2·20H2O. The chemical formula was derived from the spectrographic analysis.
Quick Facts
Physical Properties
- Color
- Pale creamy yellow
- Density
- 2.68 g/cm³
Chemical Properties
- Chemical Formula
- Fe3+2Al2(UO2)2(PO4)4(SO4)(OH)2 · 20H2O
- Elements
- Al, Fe, H, O, P, S, U

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Coconinoite FAQs
How do I identify Coconinoite?
Coconinoite can be identified by its Pale creamy yellow color. Look for these key characteristics when examining specimens.
What color is Coconinoite?
Coconinoite typically appears in Pale creamy yellow. Color can vary depending on impurities and formation conditions.
What is the characteristics of coconinoite of Coconinoite?
The mineral has a white streak and a pale creamy yellow color. The mineral occurs as microscopic crystals, the largest found is 6 by 20 micrometers. It is a radioactive mineral, but not fluorescent. Upon heating for dehydration it is found that the mineral loses some of its SO2 at 600 to 800 °C.
What is the composition of coconinoite of Coconinoite?
The chemical formula is Fe2Al2(UO2)2(PO4)4(SO4)(OH)2·20H2O. The chemical formula was derived from the spectrographic analysis.


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