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Queténa Mine, Toki Cu deposit, Chuquicamata District, Calama, El Loa Province, Antofagasta Region, Chile

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Amarantite : Fe3+2[O|(SO4)2] · 7H2O

Queténa Mine, Toki Cu deposit, Chuquicamata District, Calama, El Loa Province, Antofagasta Region, Chile

Orange crystals of Amarantite. Picture width is 2,3mm.
 © Elmar Lackner 2009Photo ID: 248087    View Count: 48

Amarantite : Fe3+2[O|(SO4)2] · 7H2O

Queténa Mine, Toki Cu deposit, Chuquicamata District, Calama, El Loa Province, Antofagasta Region, Chile

Orange crystals 1 cm. long.
 © Sandro MaggiaPhoto ID: 85968    View Count: 350

Amarantite : Fe3+2[O|(SO4)2] · 7H2O, Chalcanthite : CuSO4·5H2O, Eriochalcite : CuCl2·2H2O

Queténa Mine, Toki Cu deposit, Chuquicamata District, Calama, El Loa Province, Antofagasta Region, Chile

Red orange Amarantite xls (3 mm. across), on deep blue Chalcanthite, and turquiose green Eriochalcite blebs (out of focus); Queténa mine, El Loa Province, Antofagasta Region, Chile; FOV; 1.5 cm x 1 cm aprox.
foto & collection; A.Molina/M.Dini
Photo ID: 167950    View Count: 195

Amarantite : Fe3+2[O|(SO4)2] · 7H2O

Queténa Mine, Toki Cu deposit, Chuquicamata District, Calama, El Loa Province, Antofagasta Region, Chile

Amarantite 1mm crystal
photo & collection S.Broetto
Photo ID: 163293    View Count: 140

Multiple photos availableAmarantite : Fe3+2[O|(SO4)2] · 7H2O, Hohmannite : Fe3+2[O|(SO4)2] · 8H2O

Queténa Mine, Toki Cu deposit, Chuquicamata District, Calama, El Loa Province, Antofagasta Region, Chile

4.1 x 3.8 x 2.5 cm. Two beautiful orange iron-containing minerals, both very rare, richly presented on one specimen! The first close-up photo shows sharp, flat-laying, acicular crystals of Amarantite in sprays to perhaps 5mm. In person, these crystals have a robust, electric orange-red flare to them and are quite eye-visible. Mixed in (second ...
 © Rob LavinskyPhoto ID: 169930    View Count: 123

Multiple photos availableAmarantite : Fe3+2[O|(SO4)2] · 7H2O, Hohmannite : Fe3+2[O|(SO4)2] · 8H2O

Queténa Mine, Toki Cu deposit, Chuquicamata District, Calama, El Loa Province, Antofagasta Region, Chile

3.9 x 3.9 x 2.3 cm. Two beautiful orange iron-containing minerals, both very rare, richly presented on one specimen! The piece shows sharp, flat-laying, acicular crystals of Amarantite in sprays to perhaps 5mm. In person, these crystals have a robust, electric orange-red flare to them and are quite eye-visible. Mixed in (close-up photo) are small ...
 © Rob LavinskyPhoto ID: 169933    View Count: 92

Amarantite : Fe3+2[O|(SO4)2] · 7H2O

Queténa Mine, Toki Cu deposit, Chuquicamata District, Calama, El Loa Province, Antofagasta Region, Chile

Width of field is 3.2 mm. Collection of Jesse Crawford. The depth of field has been enhanced using Helicon Focus (12 exposures). Equipment: Nikon D-100 on a homemade microscope.
 © 2008 Jesse CrawfordPhoto ID: 174336    View Count: 73

Amarantite : Fe3+2[O|(SO4)2] · 7H2O

Queténa Mine, Toki Cu deposit, Chuquicamata District, Calama, El Loa Province, Antofagasta Region, Chile

dimension crystal mm. 1,8

photo and collection Luigi Chiappino
 © luigi chiappinoPhoto ID: 224238    View Count: 49

Multiple photos availableAmarantite : Fe3+2[O|(SO4)2] · 7H2O, Chalcanthite : CuSO4·5H2O, Copiapite : Fe2+Fe3+4[OH|(SO4)3]2 · 20H2O

Queténa Mine, Toki Cu deposit, Chuquicamata District, Calama, El Loa Province, Antofagasta Region, Chile

FOV=2 cm. In addition to the three minerals listed (red-orange amarantite; blue chalcanthite; yellow copiapite) the specimen was also reported to contain hohmannite, but I cannot distinguish this from the amarantite. Also in this view is a large area of a pale blue-green mineral which may be aubertite, and a green mineral (surrounding the ...
 © Tony PetersonPhoto ID: 246261    View Count: 30

Amarantite : Fe3+2[O|(SO4)2] · 7H2O, Fibroferrite : Fe3+[OH|SO4] · 5H2O, Metahohmannite : Fe3+2[O|(SO4)2] · 4H2O, Copiapite : Fe2+Fe3+4[OH|(SO4)3]2 · 20H2O

Queténa Mine, Toki Cu deposit, Chuquicamata District, Calama, El Loa Province, Antofagasta Region, Chile

This is a little "lovable ugly" measuring 1 3/4 x 1 1/2 inches in the Creekmur collection.
 © Charles CreekmurPhoto ID: 231541    View Count: 28

Additional Photos

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