Attikaite
A variety of Minerals
What is Attikaite?
Attikaite is a copper calcium aluminum arsenate mineral with the chemical formula Ca3Cu2Al2(AsO4)4(OH)4·2H2O. It was named after Attica Prefecture, where it was first identified.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Attikaite 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
- light blue, greenish blue
- Hardness (Mohs)
- 2.5 - 3
- Rock tumbling
- Not recommended
- Density
- 3.2 g/cm³
- Streak
- pale blue
Chemical Properties
- Chemical Formula
- Ca3Cu2Al2(AsO4)4(OH)4 · 2H2O
- Elements
- Al, As, Ca, Cu, H, O
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Attikaite FAQs
How do I identify Attikaite?
Attikaite can be identified by its hardness of 2.5 - 3 on the Mohs scale, light blue color. Look for these key characteristics when examining specimens.
What color is Attikaite?
Attikaite typically appears in light blue, greenish blue. Color can vary depending on impurities and formation conditions.
How hard is Attikaite?
Attikaite has a hardness of 2.5 - 3 on the Mohs scale. This makes it a soft mineral that can be scratched easily.
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