Zaccagnaite
A variety of Quintinite Group
What is Zaccagnaite?
Zaccagnaite is a mineral, with a formula Zn4Al2CO3(OH)12·3H2O. It occurs as white hexagonal crystals associated with calcite in cavites in Carrara marble of the Italian Alps and is thought to have formed by hydrothermal alteration of sphalerite in an aluminium rich environment. It is named after Domenico Zaccagna (1851–1940), an Italian mineral collector.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Zaccagnaite 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.
Zaccagnaite Localities Map
See where Zaccagnaite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- White
- Streak
- White
Chemical Properties
- Chemical Formula
- Zn4Al2(OH)12[CO3] · 3H2O
- Elements
- Al, C, H, O, Zn
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Zaccagnaite FAQs
How do I identify Zaccagnaite?
Zaccagnaite can be identified by its White color. Look for these key characteristics when examining specimens.
What color is Zaccagnaite?
Zaccagnaite typically appears in White. Color can vary depending on impurities and formation conditions.