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Munakataite from
Mammoth-Saint Anthony Mine (Mammoth-St Anthony Mine; Mammoth Mine; St. Anthony Mine), St. Anthony deposit, Tiger, Mammoth Mining District, Pinal Co., Arizona, USA

Locality type:Mine
Classification
Species:Munakataite
Formula:Pb2Cu2(Se4+O3)(SO4)(OH)4
Comments:The Munakataite occurs sparsely on a single thumbnail-sized specimen from Tiger as medium cyan-blue acicular crystals, averaging 0.5 mm in length, and possessing a silky to adamantine luster. The crystals occur intimately associated with altered crystals of Boleite and two generations of Leadhillite crystals. Other associates on the same specimen include a third generation of Leadhillite crystals, Quartz, Cerussite, Djurleite, Covellite, and a number of unidentified, or inadequately identified, species, including a bladed microscopic lead sulphate silicate, with small percentages of zinc and copper—possibly a copper-bearing Queitite. The identification was made on the basis of compositional analysis using energy-dispersive X-ray spectroscopy (EDS), augmented with semi-quantitative wavelength-dispersive X-ray spectroscopy (WDS) for sulfur, and because the sample is consistent with the form and appearance of the species as set forth in the published description of Munakataite in 2008.
Colour:cyan-blue
Confirmation
Validity:Confirmed
Confirmation Methods:SEM-EDS
SEM-WDS
References
References:Robert O. Meyer collection; WDS and EDS confirmed
Associated Minerals Based on Photo Data:
Boleite6 photos of Munakataite associated with Boleite at this locality.
Leadhillite6 photos of Munakataite associated with Leadhillite at this locality.
Data
Mineral Data:Click here to view Munakataite data
Locality Data:Click here to view Mammoth-Saint Anthony Mine (Mammoth-St Anthony Mine; Mammoth Mine; St. Anthony Mine), St. Anthony deposit, Tiger, Mammoth Mining District, Pinal Co., Arizona, USA
 
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