Aluminocopiapite
A variety of Minerals
What is Aluminocopiapite?
Aluminocopiapite is an aluminum iron sulfate mineral with the chemical formula Al2/3Fe4(SO4)6(OH)2·20H2O. Its type localities are Fortymile River in Alaska and the San Rafael Swell in Utah.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Aluminocopiapite 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.
Aluminocopiapite Localities Map
See where Aluminocopiapite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Pale lemon-yellow to deep yellow
- Hardness (Mohs)
- 2 - 3
- Density
- 2.163 g/cm³
- Streak
- no data
Chemical Properties
- Chemical Formula
- Al2/3Fe3+4(SO4)6(OH)2 · 20H2O
- Elements
- Al, Fe, H, Mg, O, S
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Aluminocopiapite FAQs
How do I identify Aluminocopiapite?
Aluminocopiapite can be identified by its hardness of 2 - 3 on the Mohs scale, Pale lemon-yellow to deep yellow color. Look for these key characteristics when examining specimens.
What color is Aluminocopiapite?
Aluminocopiapite typically appears in Pale lemon-yellow to deep yellow. Color can vary depending on impurities and formation conditions.
How hard is Aluminocopiapite?
Aluminocopiapite has a hardness of 2 - 3 on the Mohs scale. This makes it a soft mineral that can be scratched easily.
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