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Duftite is a relatively common arsenate mineral with the formula CuPb(AsO4)(OH), related to conichalcite. It is green and often forms botryoidal aggregates. It is a member of the adelite-descloizite Group, Conichalcite-Duftite Series. Duftite and conichalcite specimens from Tsumeb are commonly zoned in color and composition. Microprobe analyses and X-ray powder-diffraction studies indicate extensive substitution of Zn for Cu, and Ca for Pb in the duftite structure. This indicates a solid solution among conichalcite, CaCu(AsO4 )(OH), austinite, CaZn(AsO4)(OH) and duftite PbCu(AsO4)(OH), all of them belonging to the adelite group of arsenates. It was named after Mining Councilor G Duft, Director of the Otavi Mine and Railroad Company, Tsumeb, Namibia. The type locality is the Tsumeb Mine, Ts

AttributesValues
rdf:type
rdfs:label
  • Duftita (ca)
  • Duftite (en)
  • Duftit (de)
  • Duftita (eu)
  • Duftite (fr)
  • Duftite (it)
rdfs:comment
  • La duftita és un mineral de plom, coure, arsènic, oxigen i hidrogen, que pertany al grup de l'adelita-descloizita. Químicament és una hidroxisal, un hidroxiarseniat de fórmula química PbCu(AsO₄)(OH), de color verd oliva, duresa 4,5 i una densitat de 6,4 g/cm³, cristal·litza en el sistema ortoròmbic. (ca)
  • Duftit ist ein selten vorkommendes Mineral aus der Mineralklasse der „Phosphate, Arsenate und Vanadate“. Es kristallisiert im orthorhombischen Kristallsystem mit der chemischen Zusammensetzung PbCu[OH|AsO4] und ist damit ein Blei-Kupfer-Arsenat mit zusätzlichen Hydroxidionen. Duftit findet sich meist in Form traubiger Mineral-Aggregate oder krustiger Überzüge, entwickelt aber auch kleine, millimetergroße Kristalle von graugrüner, olivgrüner oder apfelgrüner Farbe. Die Kristalle sind durchscheinend und weisen auf den Oberflächen einen glasähnlichen Glanz auf. (de)
  • Duftita fosfato motako minerala da eta adelite-descloizite taldearen kidea da. (eu)
  • La duftite è un minerale appartenente al gruppo dell'adelite-descloizite. Scoperto nel 1920 presso Tsumeb, Namibia, deriva il suo nome dal direttore delle locali miniere G. Duft. (it)
  • Duftite is a relatively common arsenate mineral with the formula CuPb(AsO4)(OH), related to conichalcite. It is green and often forms botryoidal aggregates. It is a member of the adelite-descloizite Group, Conichalcite-Duftite Series. Duftite and conichalcite specimens from Tsumeb are commonly zoned in color and composition. Microprobe analyses and X-ray powder-diffraction studies indicate extensive substitution of Zn for Cu, and Ca for Pb in the duftite structure. This indicates a solid solution among conichalcite, CaCu(AsO4 )(OH), austinite, CaZn(AsO4)(OH) and duftite PbCu(AsO4)(OH), all of them belonging to the adelite group of arsenates. It was named after Mining Councilor G Duft, Director of the Otavi Mine and Railroad Company, Tsumeb, Namibia. The type locality is the Tsumeb Mine, Ts (en)
  • La duftite est un minéral de la famille des arséniates relativement commun, de formule CuPb(AsO4)(OH), apparenté à la conichalcite. Il est vert et forme souvent des agrégats . Il est membre du groupe adélite-descloizite, série Conichalcite-Duftite. Les échantillons de duftite et de conichalcite de Tsumeb sont souvent zonés en couleur et en composition. Les analyses à la microsonde et les études par diffraction des poudres montrent une substitution importante de Zn par Cu et de Ca par Pb dans la structure duftite. Ceci indique l'existence d'une solution solide entre la conichalcite, CaCu(AsO4)(OH), l'austinite, CaZn(AsO4)(OH) et la duftite PbCu(AsO4)(OH), tous ces minéraux appartenant au groupe de l'adélite des arséniates. Il a été nommé d'après le conseiller minier G. Duft, directeur de la (fr)
foaf:name
  • Duftite (en)
name
  • Duftite (en)
foaf:depiction
  • http://commons.wikimedia.org/wiki/Special:FilePath/Anglesite-Duftite-174037.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Duftite-Cerussite-174182.jpg
dcterms:subject
Wikipage page ID
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sameAs
solubility
  • Readily soluble in acids (en)
streak
  • Pale green or white (en)
strunz
unit cell
  • a = 7.768, b = 9.211 (en)
  • c = 5.999 [Å]; Z = 4 (en)
dbp:wikiPageUsesTemplate
thumbnail
caption
  • Duftite from Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia (en)
category
class
color
  • Green, olive green or grey green. Generally zoned due to compositional variations. (en)
gravity
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