Argentojarosite
A variety of Minerals
What is Argentojarosite?
Argentojarosite is an iron sulfate mineral with the chemical formula AgFe3(SO4)2(OH)6. It is one of few iron sulfate minerals containing silver in its chemical formula as a dominant element. Its type locality is the East Tintic Mountains, Utah.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Argentojarosite 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.
Quick Facts
Physical Properties
- Color
- Yellow-brown to brown.
- Hardness (Mohs)
- 3.5 - 4.5
- Rock tumbling
- Not recommended
- Density
- 3.81 g/cm³
- Streak
- Yellowish.
Chemical Properties
- Chemical Formula
- AgFe3+3(SO4)2(OH)6
- Elements
- Ag, Fe, H, O, S
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Argentojarosite FAQs
How do I identify Argentojarosite?
Argentojarosite can be identified by its hardness of 3.5 - 4.5 on the Mohs scale, Yellow-brown to brown. color. Look for these key characteristics when examining specimens.
What color is Argentojarosite?
Argentojarosite typically appears in Yellow-brown to brown.. Color can vary depending on impurities and formation conditions.
How hard is Argentojarosite?
Argentojarosite has a hardness of 3.5 - 4.5 on the Mohs scale. This gives it moderate hardness.
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