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Formula: Cu2Zn(AsO4)(OH)3.2H2O
Valence: Cu2+2Zn2+(As5+O4)(OH)3.2H2O
Hydrated arsenate
Crystal System: Monoclinic
Specific gravity: 3.61 calculated
Hardness: 3 to 4
Streak: Light green
Colour: Cyan to emerald-green
Magnetism: Non-magnetic
Environments
Sedimentary environments
Hydrothermal environments
Arsenoveszelyite is a new mineral, approved in 2021 and first published in 2025. To date (January 2026) it
has been reported only from the type locality.
Localities
At the type locality, the Dongchuan Cu Mine, Sanguozhuang, Dongchuan District, Kunming, Yunnan, China,
arsenoveszelyite is one of a number of new (in 2025)
secondary
minerals discovered here, the others being dongchuanite,
cuprodongchuanite,
zheshengite,
cuprozheshengite and
qiumingite. Mineralisation is hosted within a stratiform
copper deposit and its
secondary assemblage
(AM 111.169).
Arsenoveszelyite occurs as radiating aggregates or as individual lamellar crystals; it is a
supergene mineral from the sediment-hosted Zn–Pb–Cu deposit,
and is associated with azurite and
hemimorphite
(Mindat).
Arsenoveszelyite from Dongchuan - Image
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