Braunerite
A variety of Minerals
What is Braunerite?
Braunerite is a hydrous uranyl carbonate mineral discovered by Jakub Plášil of the Institute of Physics at the Academy of Sciences of the Czech Republic and colleagues in the Svornost mine in the Jáchymov ore district, Western Bohemia, Czech Republic. Braunerite crystals are yellow and have a glassy luster. The mineral is chemically similar to línekite. The type material is deposited in the collections of the Department of Mineralogy and Petrology, National Museum, Prague, Czech Republic, and the mineralogical collections of the Natural History Museum of Los Angeles County.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Braunerite 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.
Braunerite Localities Map
See where Braunerite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Chemical Properties
- Chemical Formula
- K2Ca(UO2)(CO3)3·6H2O
- Elements
- C, Ca, H, K, O, U
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