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Formula: NaCuCuZn2(AsO4)3
Arsenate, alluaudite group,
alluaudite supergroup
Crystal System: Monoclinic
Specific gravity: 4.71 calculated
Colour: Blue, greenish blue, grey-blue or bluish grey
Environments
Zincobradaczekite is a relatively new mineral, approved in 2016 and to date (January 2024) reported only from the
type locality.
Localities
At the type locality, the Yadovitaya fumarole, Second scoria cone, Northern Breakthrough, Great Fissure eruption,
Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia, zincobradaczekite occurs as
oblique-angled prismatic crystals up to 0.02 × 0.02 × 0.08 mm3 and equant or tabular crystals up to 0.05 mm.
Associated minerals include bradaczekite,
lammerite, paralammerite,
borisenkoite, mcbirneyite,
sanidine, hematite,
tenorite, pseudolyonsite,
lyonsite, starovaite,
rutile, tripuhyite,
pseudobrookite, piypite,
langbeinite,
calciolangbeinite,
aphthitalite,
alumoklyuchevskite and
palmierite
(Mindat).
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