Coronadite
A variety of Minerals
What is Coronadite?
Coronadite is a black monoclinic mineral containing a ternary oxide of lead and manganese in two oxidation states. The mineral was named after Francisco Vasquez de Coronado who was an explorer of southwest USA. The name was made up by Waldemar Lindgren in 1905.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Coronadite 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.
Coronadite Localities Map
See where Coronadite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
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Quick Facts
Physical Properties
- Color
- Dark gray, black
- Hardness (Mohs)
- 4.5 - 5
- Density
- 5.45 g/cm³
- Streak
- Brown-black
Chemical Properties
- Chemical Formula
- Pb(Mn4+6Mn3+2)O16
- Elements
- Mn, O, Pb
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Coronadite FAQs
How do I identify Coronadite?
Coronadite can be identified by its hardness of 4.5 - 5 on the Mohs scale, Dark gray color. Look for these key characteristics when examining specimens.
What color is Coronadite?
Coronadite typically appears in Dark gray, black. Color can vary depending on impurities and formation conditions.
How hard is Coronadite?
Coronadite has a hardness of 4.5 - 5 on the Mohs scale. This gives it moderate hardness.
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