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File:Copiapite Group, Alunogen, Chalcanthite - Quetena Mine, Chuquicamata District, Antofagasta, Chile.jpg

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Deutsch: Mineral-Aggregat, zusammengesetzt aus drei Sulfaten - Fundort: Queténa Mine, Toki Kupfer-Lagerstätte bei Chuquicamata, Calama, Provinz El Loa, Region Antofagasta, Chile
  • A:gelbe, pseudo-orthorhombische Tafeln SXRD: Copiapitgruppe, höchstwahrscheinlich Magnesiocopiapit, Zellparameter: a=7,35; b=7,39; c=18,80; α=91,4°; β=98,8° und γ=102,2°
  • B:Alunogen (white +/- opaque plates with good cleavage/partially dehydrated?, analysed by SXRD
  • C: Chalkanthit, bluish grains, analysed by SXRD.
Sichtfeld: 5x5 mm; Mit Dank an Dr. Uwe Kolitsch für die Analyse des Materials
English: Assemblage of three sulphates from Queténa Mine, Toki Cu deposit, Chuquicamata District, Calama, El Loa Province, Antofagasta Region, Chile
  • A:yellow pseudo-orthorhombic plates-SXRD: Copiapite group, most probably magnesiocopiapite, cell parameter: a=7.35; b=7.39; c=18.80; α=91.4°; β=98.8° und γ=102.2°
  • B:Alunogen (white +/- opaque plates with good cleavage/partially dehydrated?, analysed by SXRD
  • C: Chalcanthite, bluish grains, analysed by SXRD.
FOV 5x5 mm. aprox; Many thanks to Dr. Uwe Kolitsch who has analysed the material
Source http://www.mindat.org/photo-274433.html
Author Arturo Molina

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current11:07, 30 December 2009Thumbnail for version as of 11:07, 30 December 20091,024 × 768 (112 KB)Ra'ike (talk | contribs){{Information |Description={{en|1=Assemblage of 3 sulphates. from Quetena mine, Calama, El Loa Province, Antofagasta Province, Chile. *A:yellow pseudo-orthorhombic plates-SXRD: Copiapite group, most probably magnesiocopiapite [7.35, 7.39, 18.80, 91.4, 98.

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