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Ahlfeldite : (Ni,Co)[SeO3] · 2H2O | |
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El Dragón mine, Antonio Quijarro Province, Potosí Department, Bolivia Ahlfeldite crystal group. Field of view, 1mm x 1mm. Brent Thorne specimen and photograph. |
| © Brent Thorne | Photo ID: 16495 View Count: 1075 |
Ahlfeldite : (Ni,Co)[SeO3] · 2H2O | |
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El Dragón mine, Antonio Quijarro Province, Potosí Department, Bolivia Up to now regarded as Cobaltomenite. Alfredo Petrov analyzed many of similar items and they were all Ahlfeldites. Very small amounts of Co let Ahlfeldite get pink. Picture width 4 mm. Collection and photograph Stephan Wolfsried Mindat.org Photo of the Day - 15th Jan 2007 |
| © Stephan Wolfsried | Photo ID: 40889 View Count: 702 |
Ahlfeldite : (Ni,Co)[SeO3] · 2H2O, Chalcomenite : Cu[SeO3] · 2H2O | |
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El Dragón mine, Antonio Quijarro Province, Potosí Department, Bolivia Pink cobaltoan ahlfeldite crystals & blue Chalcomenite crystals in Krutaite. Field of view 5 mm. Collection M. Kampf No 90-186. |
| © 2005 M. Kampf | Photo ID: 44229 View Count: 526 |
Ahlfeldite : (Ni,Co)[SeO3] · 2H2O, Chalcomenite : Cu[SeO3] · 2H2O | |
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El Dragón mine, Antonio Quijarro Province, Potosí Department, Bolivia Picture width is 5mm. Pink crude Ahlfieldite with minor blue Chalcomenite. Depth of field is achieved with CombineZM. |
| © Elmar Lackner | Photo ID: 107018 View Count: 217 |
Ahlfeldite : (Ni,Co)[SeO3] · 2H2O | |
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Virgen de Surumi mine (Pacajake mine; Pakajake mine), Pakajake Canyon (Pacajake Canyon), Chayanta Province, Potosí Department, Bolivia Group of ahlfeldite crystals with more cobalt in the structure. Associated minerals include, molbdomenite, anglesite, chalcomenite and penroseite. Field of view, 1mm x 1mm. This specimen has been analyzed by micropobe and XRD. Brent Thorne specimen and photograph. |
| © Brent Thorne 2009 | Photo ID: 222927 View Count: 44 |
Ahlfeldite : (Ni,Co)[SeO3] · 2H2O, Anglesite : PbSO4 | |
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Virgen de Surumi mine (Pacajake mine; Pakajake mine), Pakajake Canyon (Pacajake Canyon), Chayanta Province, Potosí Department, Bolivia Ahlfeldite crystals on anglesite associated with molybdomenite and chalcomenite in a penroseite matrix. Field of view, 1mm x 1mm. This specimen has been analyzed by microprobe and XRD. Brent Thorne specimen and photograph. |
| © Brent Thorne 2009 | Photo ID: 222924 View Count: 41 |
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