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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 |
Anglesite : PbSO4 | |
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Virgen de Surumi mine (Pacajake mine; Pakajake mine), Pakajake Canyon (Pacajake Canyon), Chayanta Province, Potosí Department, Bolivia Well formed anglesite crystal associated with ahlfeldite, molybdomenite and chalcomenite in a penroseite matrix. Field of view, 1mm x 1mm. Brent Thorne specimen and photograph. |
| © Brent Thorne 2009 | Photo ID: 222925 View Count: 24 |
Chalcomenite : Cu[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 chalcomenite crystals on penroseite. Field of view, 1mm x 1mm. Brent Thorne specimen and photograph. |
| © Brent Thorne 2009 | Photo ID: 222926 View Count: 22 |
Molybdomenite : PbSeO3 | |
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Virgen de Surumi mine (Pacajake mine; Pakajake mine), Pakajake Canyon (Pacajake Canyon), Chayanta Province, Potosí Department, Bolivia Molybdomenite crystals associated with ahlfeldite, anglesite and chalcomenite in a penroseite matrix. Field of view, 1mm x 1mm. This specimen has been analyzed by EDS and XRD. Brent Thorne specimen and photograph. |
| © Brent Thorne 2009 | Photo ID: 222923 View Count: 29 |
Penroseite : (Ni,Co,Cu)Se2 | |
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Virgen de Surumi mine (Pacajake mine; Pakajake mine), Pakajake Canyon (Pacajake Canyon), Chayanta Province, Potosí Department, Bolivia Silvery metallic Penroseite masses in matrix with distinct cleavages (overall 1.5 x 1.0 x 1.0 cm). JFC collection (#00284) and photo. |
| © 2006 JF Carpentier | Photo ID: 71570 View Count: 625 |
Penroseite : (Ni,Co,Cu)Se2 | |
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Virgen de Surumi mine (Pacajake mine; Pakajake mine), Pakajake Canyon (Pacajake Canyon), Chayanta Province, Potosí Department, Bolivia 4.9 x 2.4 x 1.8 cm. Penroseite is a very rare nickel, cobalt, copper selenide and this rich and fine specimen is from the Type Locality - the Virgen de Surumi Mine of Bolivia. The famous selenium minerals from this locality have often been falsely attributed to the Hiaco mine (2km west, on the opposite flank of Pakajake canyon) or to the ... |
| © Rob Lavinsky | Photo ID: 217412 View Count: 135 |
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Virgen de Surumi mine (Pacajake mine; Pakajake mine), Pakajake Canyon (Pacajake Canyon), Chayanta Province, Potosí Department, Bolivia A 2.6 x 1.7 x 1.3 cm matrix, this rich with masses of rare penroseite. Ex Peter Gillis collection. |
| © Dan & Diana Weinrich Minerals | Photo ID: 266681 View Count: 15 |
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