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Formula: Mn2+Mn2+Te4+4O10
Tellurite, manganese-bearing
mineral
Crystal system: Tetragonal
Environments
Stankeithite is a new mineral, approved in 2024 and pending publication in May 2025.
Localities
At the type locality, the Moctezuma Mine, Moctezuma, Moctezuma Municipality, Sonora, Mexico, stankeithite is a
new (in 2024) analog of denningite.
Denningite was also first discovered at the Moctezuma Mine and published
in 1963. The Moctezuma Mine hosts epithermal quartz veins that contain
gold, baryte and high
tellurium concentrations. The remobilisation of
tellurium has resulted in the formation of nearly 30 additional
secondary tellurium
minerals here, 16 of which were first discovered here. Two other minerals,
bambollaite and
rozhdestvenskayaite-(Zn), were also first discovered at the
Moctezuma Mine
(AM 110.5.827).
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