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Aegirine : NaFe3+[Si2O6] | |
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Narssârssuk pegmatite (Narsarsuk pegmatite), Narssârssuk (Narsarsuk), Igaliku (Igaliko), Narsaq, Kitaa (West Greenland) Province, Greenland Fragment of a large Aegirine crystal, covered with Albite and some Epididymite, the Aegirine is about 70 mm in its largest dimension, collection C.& H. Schäfer |
| © C.H.M.-Schäfer | Photo ID: 166072 View Count: 137 |
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Tuperssuatsiat Bay, Tunugdliarfik Firth (Eriksfjord), Ilimaussaq complex, Narsaq, Kitaa (West Greenland) Province, Greenland Black short-prismatic terminated crystals of aenigmatite (the larger is 3x2.5x1.5 cm) in nephelin-syenite matrix. Associated minerals are brownish eudialyte grains, grey sections of prismatic nepheline and white microcline. Specimen size is 7x5x3 cm. Collected by Igor V. Pekov in July of 1994. Pavel M. Kartashov collection (#3361) and photo. |
| © Pavel M. Kartashov | Photo ID: 152472 View Count: 209 |
Aenigmatite : Na2Fe2+5TiO2(Si6O18) | |
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Kangerdluarssuq (Kangerdluarssuk; Kangerdluarsuk) Firth, Ilimaussaq complex, Narsaq, Kitaa (West Greenland) Province, Greenland A 2.8 cm long single crystal of aenigmatite. |
| © Caltech | Photo ID: 188782 View Count: 189 |
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Tuperssuatsiat Bay, Tunugdliarfik Firth (Eriksfjord), Ilimaussaq complex, Narsaq, Kitaa (West Greenland) Province, Greenland Black short-prismatic terminated crystals of aenigmatite (the larger is 2x1 cm) in nephelin-syenite matrix. Associated minerals are brownish eudialyte grains, grey section of prismatic nepheline and white microcline. Specimen size is 7x5x3 cm. Collected by Igor V. Pekov in July of 1994. Pavel M. Kartashov collection (#3361) and photo. |
| © Pavel M. Kartashov | Photo ID: 152474 View Count: 164 |
Albite : Na[AlSi3O8] | |
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Kuannersuit (Kvanefjeld) plateau, Ilimaussaq complex, Narsaq, Kitaa (West Greenland) Province, Greenland A nice and interesting 3 mm twinned albite crystal found at the nabesite-locality. Additional information can be found at: Mineralien Welt Mai-Juni 2001: Zwillinge von Albit und Quatz von Narsaq, Südgrönland. The specimen was collected by and is in the micromount collection of OT. Ljostad. |
| © OT. Ljostad | Photo ID: 39702 View Count: 442 |
Albite : Na[AlSi3O8], Aegirine : NaFe3+[Si2O6] | |
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Narssârssuk (Narsarsuk), Igaliku (Igaliko), Narsaq, Kitaa (West Greenland) Province, Greenland Albite & aegirine. From the Vaux collection in Bryn Mawr College, Philadelphia, Pennsylvania. Scale at bottom of image is an inch with a rule at one cm. |
| Photo ID: 216976 View Count: 45 | |
Ancylite-(Ce) : SrCe[OH|(CO3)2] · H2O | |
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Narssârssuk pegmatite (Narsarsuk pegmatite), Narssârssuk (Narsarsuk), Igaliku (Igaliko), Narsaq, Kitaa (West Greenland) Province, Greenland Light pink, translucent crystal of Ancylite-(Ce). The Narssarssuk pegmatite is the type locality for this mineral. The specimen was collected by Tomas Husdal, and it is now in the micromount collection of OT. Ljostad. |
| © OT. Ljostad | Photo ID: 78490 View Count: 237 |
Ancylite-(La) : Sr(La,Ce)[OH|(CO3)2] · H2O, Albite : Na[AlSi3O8] | |
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Taseqite occurrence, Tasseq Slopes (Taseq Slopes), Tasseq area, Ilimaussaq complex, Narsaq, Kitaa (West Greenland) Province, Greenland A group of pink crystals of Ancylite-(La) with small Albite crystals from the top of the Tasseq slope, Ilimaussaq, Greenland. Field of view: 3 mm. Collection and photo: Knut Eldjarn. |
| © Knut Eldjarn | Photo ID: 52592 View Count: 584 |
Arfvedsonite : [Na][Na2][Fe2+4Fe3+][(OH)2|Si8O22] | |
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Kangerdluarssuq (Kangerdluarssuk; Kangerdluarsuk) Firth, Ilimaussaq complex, Narsaq, Kitaa (West Greenland) Province, Greenland Many long crystals of black arfvedsonite in white matrix. Good old-time specimen. Ex. R. D. O'Donnell collection #568. Overall size of mineral specimen: 8x3x3 cm. Size of individual crystals: 5-50 mm. |
| © 2002 John H. Betts | Photo ID: 3333 View Count: 758 |
Arfvedsonite : [Na][Na2][Fe2+4Fe3+][(OH)2|Si8O22] | |
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Karra, Nunasarnaq, Tunugdliarfik Firth (Eriksfjord), Ilimaussaq complex, Narsaq, Kitaa (West Greenland) Province, Greenland Arfvedsonite embedded in Feldspar, field of view 80 mm, collection C.&H. Schäfer |
| © C.H.M. Schäfer | Photo ID: 193083 View Count: 67 |
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