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Formula: (Ca,Pb)3CaCu6O2[Te4+3Te6+O12]2(Te4+O
Tellurite
Specific gravity: 4.65 to 5.38
Hardness: 3
Streak: Pale green
Colour: Viridian-green
Luminescence: No fluorescence in UV
Environments
Metamorphic environments environments
Hydrothermal environments
Localities
At the type locality, the Bambollita Mine, Moctezuma, Moctezuma Municipality, Sonora, Mexico, tlapappite was
found as thin paint-like films on rock fractures in and adjacent to thin veins cutting intensely
sericitised rhyolite
(AM 64.465). Associated minerals include sericite,
quartz, calcite and
baryte
(Mindat).
At the Moctezuma mine, Moctezuma, Moctezuma Municipality, Sonora, Mexico, tlapappite occurs very rarely in
partially oxidised portions of a tellurium-bearing polymetallic
hydrothermal sulphide deposit, associated with carlfriesite,
calcite, baryte,
muscovite and quartz
(HOM).
At the Old Guard Mine, Tombstone, Tombstone Mining District, Cochise County, Arizona, USA, tlapappite occurs
as an alteration product of tellurides in
calc-silicate
tactite
(HOM).
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