Atencioite
A variety of Minerals
What is Atencioite?
Atencioite is a calcium iron phosphate mineral with the chemical formula Ca2Fe3Mg2Be4(PO4)6(OH)4·6H2O. Its type locality is Divino das Laranjeiras, Minas Gerais, Brazil. It was named after Daniel Atencio, a mineralogy professor at the University of São Paulo.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Atencioite 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
- greenish brown
- Hardness (Mohs)
- 4.5
- Rock tumbling
- Not recommended
- Density
- 2.829 g/cm³
Chemical Properties
- Chemical Formula
- Ca2Fe2+3Mg2Be4(PO4)6(OH)4 · 6H2O
- Elements
- Be, Ca, Fe, H, Mg, O, P
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Atencioite FAQs
How do I identify Atencioite?
Atencioite can be identified by its hardness of 4.5 on the Mohs scale, greenish brown color. Look for these key characteristics when examining specimens.
What color is Atencioite?
Atencioite typically appears in greenish brown. Color can vary depending on impurities and formation conditions.
How hard is Atencioite?
Atencioite has a hardness of 4.5 on the Mohs scale. This gives it moderate hardness.
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