Azoproite
A variety of Minerals

What is Azoproite?
Azoproite is a rare manganese iron borate mineral with the chemical formula (Mg,Fe)2(Fe,Ti,Mg)(BO3)O2. It was first identified near Lake Baikal, Russia. It was named after the Association pour l'Etude Géologique des Zones Profondes de l'Ecorce Terrestre, whose acronym is AZOPRO in Russian.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Azoproite 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
- Black
- Hardness (Mohs)
- 5.5
- Rock tumbling
- With care
Chemical Properties
- Chemical Formula
- (Mg,Fe2+)2(Fe3+,Ti,Mg)(BO3)O2
- Elements
- B, Fe, Mg, O, Ti

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Azoproite FAQs
How do I identify Azoproite?
Azoproite can be identified by its hardness of 5.5 on the Mohs scale, Black color. Look for these key characteristics when examining specimens.
What color is Azoproite?
Azoproite typically appears in Black. Color can vary depending on impurities and formation conditions.
How hard is Azoproite?
Azoproite has a hardness of 5.5 on the Mohs scale. This gives it moderate hardness.


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