Cianciulliite
A variety of Minerals
What is Cianciulliite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Cianciulliite 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.
Cianciulliite Localities Map
See where Cianciulliite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Dark reddish-brown nearly black
- Hardness (Mohs)
- 1 - 2
- Density
- 2.87 g/cm³
Chemical Properties
- Chemical Formula
- Mn(Mg,Mn)2Zn2(OH)10 · 2-4H2O
- Elements
- H, Mg, Mn, O, Zn

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Cianciulliite FAQs
How do I identify Cianciulliite?
Cianciulliite can be identified by its hardness of 1 - 2 on the Mohs scale, Dark reddish-brown nearly black color. Look for these key characteristics when examining specimens.
What color is Cianciulliite?
Cianciulliite typically appears in Dark reddish-brown nearly black. Color can vary depending on impurities and formation conditions.
How hard is Cianciulliite?
Cianciulliite has a hardness of 1 - 2 on the Mohs scale. This makes it a soft mineral that can be scratched easily.


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