Arakiite
A variety of Minerals
What is Arakiite?
Arakiite is a rare mineral with the formula (Zn,Mn)(Mn,Mg)12(Fe,Al)2(AsO3)(AsO4)2(OH)23. It is both arsenate and arsenite mineral, a combination that is rare in the world of minerals. Arakiite is stoichiometrically similar to hematolite. It is one of many rare minerals coming from the famous Långban manganese skarn deposit in Sweden. Other minerals bearing both arsenite and zinc include kraisslite and mcgovernite. The mineral crystallizes in the monoclinic crystal system in space group Cc.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Arakiite 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.
Arakiite Localities Map
See where Arakiite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Redbrown to orangebrown
- Hardness (Mohs)
- 3 - 4
- Density
- 3.41 g/cm³
- Streak
- Pale-brown
Chemical Properties
- Chemical Formula
- (Zn,Mn2+)(Mn2+,Mg)12(Fe3+,Al)2(As5+O4)2(As3+O3)(OH)23
- Elements
- Al, As, Fe, H, Mg, Mn, O, Zn
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Arakiite FAQs
How do I identify Arakiite?
Arakiite can be identified by its hardness of 3 - 4 on the Mohs scale, Redbrown to orangebrown color. Look for these key characteristics when examining specimens.
What color is Arakiite?
Arakiite typically appears in Redbrown to orangebrown. Color can vary depending on impurities and formation conditions.
How hard is Arakiite?
Arakiite has a hardness of 3 - 4 on the Mohs scale. This makes it a soft mineral that can be scratched easily.
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