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Naujakasite : (Na,K)6(Fe2+,Mn2+,Ca)(Al,Fe)4Si8O26 | |
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Ilimaussaq complex, Narsaq, Kitaa (West Greenland) Province, Greenland 9.5 x 7.0 x 5.5 cm. A rich specimen of the rare silicate naujakasite in crystals on matrix from the Type Locality area in Greenland. Lustrous, greenish-gray crystals reach 2.3 cm on this most excellent specimen for the species. Ex Copenhagen Geological Museum. |
| © Rob Lavinsky | Photo ID: 114266 View Count: 145 |
Naujakasite : (Na,K)6(Fe2+,Mn2+,Ca)(Al,Fe)4Si8O26, Villiaumite : NaF | |
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Kvanefjeld Uranium deposit, Kuannersuit (Kvanefjeld) plateau, Ilimaussaq complex, Narsaq, Kitaa (West Greenland) Province, Greenland Greenish-gray crystals of naujakasite with red villiaumite. Picture size 4 mm. Photographer and collection Thomas Witzke. |
| © Thomas Witzke | Photo ID: 8147 View Count: 816 |
Naujakasite : (Na,K)6(Fe2+,Mn2+,Ca)(Al,Fe)4Si8O26 | |
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Kvanefjeld Uranium deposit, Kuannersuit (Kvanefjeld) plateau, Ilimaussaq complex, Narsaq, Kitaa (West Greenland) Province, Greenland dimension area mm. 4 x 4 photo and collection Luigi Chiappino |
| © luigi chiappino | Photo ID: 229983 View Count: 46 |
Naujakasite : (Na,K)6(Fe2+,Mn2+,Ca)(Al,Fe)4Si8O26, Aegirine : NaFe3+[Si2O6] | |
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Kvanefjeld tunnel, Kvanefjeld Uranium deposit, Kuannersuit (Kvanefjeld) plateau, Ilimaussaq complex, Narsaq, Kitaa (West Greenland) Province, Greenland A 0,8 mm wellformed, greenish, translucent naujakasite crystal in vuggy rock. The specimen was collected on the dumps from rocks coming from the Kvanefjeld tunnel. The specimen was collected by and is in the micromount collection of OT. Ljostad. |
| © OT. Ljostad | Photo ID: 46492 View Count: 326 |
Naujakasite : (Na,K)6(Fe2+,Mn2+,Ca)(Al,Fe)4Si8O26 | |
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Naujakasik (Naajakasik), Tunugdliarfik Firth (Eriksfjord), Ilimaussaq complex, Narsaq, Kitaa (West Greenland) Province, Greenland Shiny, rhomboid crystals of naujakasite in matrix. The larger crystal is 3.5x3 cm. |
| © B. Otter | Photo ID: 22453 View Count: 414 |
Naujakasite : (Na,K)6(Fe2+,Mn2+,Ca)(Al,Fe)4Si8O26 | |
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Naujakasik (Naajakasik), Tunugdliarfik Firth (Eriksfjord), Ilimaussaq complex, Narsaq, Kitaa (West Greenland) Province, Greenland A sharp 1.4 cm crystal perched on matrix is the predominant feature here, but on the backside there is a cleaved-in-half partial crystal measuring a whopping 3 cm across, as well! This is an extremely rare species from the type locality, and this should be considered an excellent crystal. 4 x 3 x 3 cm |
| © Rob Lavinsky | Photo ID: 21680 View Count: 328 |
Naujakasite : (Na,K)6(Fe2+,Mn2+,Ca)(Al,Fe)4Si8O26 | |
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Naujakasik (Naajakasik), Tunugdliarfik Firth (Eriksfjord), Ilimaussaq complex, Narsaq, Kitaa (West Greenland) Province, Greenland A sharp 2.2 cm crystal perched on matrix is the predominant feature here, but on the backside there is a cleaved-in-half partial crystal measuring a whopping 3 cm across, as well! This is an extremely rare species from the type locality, and this should be considered an excellent crystal. 4 x 4 x 3 cm |
| © Rob Lavinsky | Photo ID: 21681 View Count: 323 |
Naujakasite : (Na,K)6(Fe2+,Mn2+,Ca)(Al,Fe)4Si8O26 | |
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Naujakasik (Naajakasik), Tunugdliarfik Firth (Eriksfjord), Ilimaussaq complex, Narsaq, Kitaa (West Greenland) Province, Greenland A 1,5 cm aggregate of well formed crystals of Naujakasite in matrix from a mountain east of Naujakasik at the Tunugliarfik fiord in the Ilimaussaq complex. The original find at the type locality Naujakasik consisted of a loose boulder which may have come from higher up in the mountains. Specimen and photo: Knut Eldjarn. |
| © Knut Eldjarn | Photo ID: 54737 View Count: 316 |
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