Pale green acicular crystals of the very rare U-mineral vysokyite from the type (Svornost Mine, Jáchymov, Krušné Hory, Karlovy Vary Region, Czech Republic) and only known locality worldwide. Ex. Erich Laskowski collection (USA). — Photo: David Hospital · CC BY 4.0
Vysokýite
Vysokýite is an IMA-recognized mineral species in the arsenate class, with the chemical formula U⁴⁺[AsO₂(OH)₂]₄·4H₂O.
It crystallizes in the triclinic crystal system (space group P-1).
IMA symbol Vys, IMA status: approved, named in 2012.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data — a full written entry hasn’t been published yet.
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