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Formula: Cu(Se,Te)2
Telluro-selenide
Crystal System: Tetragonal
Specific gravity: 5.02 calculated
Hardness: 3
Colour: Brownish grey
Environments
Localities
At the type locality, the Moctezuma Mine, Moctezuma, Moctezuma Municipality, Sonora, Mexico, bambollaite
occurs as black, pseudocubic grains less than 0.5 mm in size, in intimately intergrown fine aggregates and lenses
formed as an alteration product of sooty black klockmannite.
Associated minerals
include native tellurium,
selenium, chalcomenite,
tellurite, paratellurite,
illite, quartz and
calcite. No crystals have been observed. It is the first known
telluro-selenide of
copper
Minrec 55.6.837).
Bambollaite from Moctezuma - Image
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