Congolite
A variety of Minerals
What is Congolite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Congolite 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.
Congolite Localities Map
See where Congolite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Pale red, pink
- Hardness (Mohs)
- 6.5 - 7.5
Chemical Properties
- Chemical Formula
- (Fe2+,Mg)3(B7O13)Cl
- Elements
- B, Cl, Fe, O

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Congolite FAQs
How do I identify Congolite?
Congolite can be identified by its hardness of 6.5 - 7.5 on the Mohs scale, Pale red color. Look for these key characteristics when examining specimens.
What color is Congolite?
Congolite typically appears in Pale red, pink. Color can vary depending on impurities and formation conditions.
How hard is Congolite?
Congolite has a hardness of 6.5 - 7.5 on the Mohs scale. This gives it moderate hardness.


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