File:Tugtupite in alkaline syenite before UV exposure (Ilímaussaq Complex, Mesoproterozoic, 1.16 Ga; Taseq Slope, Greenland) 2.jpg

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English: Alkaline syenite from the Precambrian of Greeland.

The very pale pink mineral in this rock is tugtupite, a rare beryllium silicate mineral, Na4BeAlSi4O12Cl - sodium beryllium chloro-aluminosilicate. This photo was taken before the rock was exposed to ultraviolet light (black light).

Geologic unit: Ilímaussaq Complex, late Mesoproterozoic, 1.16 Ga

Locality: unrecorded site on Taseq Slope, near Lake Taseq, far-southern Greenland (? vicinity of 60° 57' 15" North latitude, 45° 56' 35" West longitude)
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Source https://www.flickr.com/photos/47445767@N05/50711597977/
Author James St. John

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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/50711597977. It was reviewed on 14 December 2020 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

14 December 2020

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current19:37, 14 December 2020Thumbnail for version as of 19:37, 14 December 20202,542 × 1,687 (3.21 MB)Ser Amantio di Nicolao (talk | contribs)Uploaded a work by James St. John from https://www.flickr.com/photos/47445767@N05/50711597977/ with UploadWizard

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