Cesbronite
A variety of Minerals
What is Cesbronite?
Cesbronite is a copper-tellurium oxysalt mineral with the chemical formula Cu3TeO4(OH)4 (IMA 17-C). It is colored green and its crystals are orthorhombic dipyramidal. Cesbronite is rated 3 on the Mohs Scale. It is named after Fabien Cesbron (born 1938), a French mineralogist.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Cesbronite 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.
Cesbronite Localities Map
See where Cesbronite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Hardness (Mohs)
- 3
Chemical Properties
- Chemical Formula
- Cu2+3Te6+O4(OH)4 Formula redefined 2017 (IMA 17-C).
- Elements
- Cu, H, O, Te
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Cesbronite FAQs
How do I identify Cesbronite?
Cesbronite can be identified by its hardness of 3 on the Mohs scale. Look for these key characteristics when examining specimens.
How hard is Cesbronite?
Cesbronite has a hardness of 3 on the Mohs scale. This makes it a soft mineral that can be scratched easily.
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