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SC314 - Tugtupite, Polylithionite, Sodalite


Locality: Taseq Slope, Ilímaussaq complex, Narsaq, Kujalleq, Greenland (MINDAT)
Size: 4 x 2 x 2 cm - Miniature (3-6 cm)
Weight: 22 g
minID: JUK-GYC

Tugtupite, Polylithionite, Sodalite et al. from the Taseq Slope, Greenland. The “matrix” is mostly tugtupite (tenebrescent pink) and fluorescent red and orange under shortwave and longwave UV light, respectively. Phosphorescent white under both shortwave and longwave. The top left in the first side is polylithionite, fluorescent yellow/green under shortwave, nothing under longwave. Between the polylithionite and the tugtupite there is a little unknown, fluorescent white/blue(?) mostly under longwave and phosphorescent whitish. The second side is again mostly tugtupite. The bottom right corner is blue/grey, tenebrescent dark red, not much fluorescent under shortwave, and strong orange under longwave. No phosphorescence. I guess it is blue sodalite? The crystal on top of the sodalite is not fluorescent. Don’t know what it is. On the back of the sodalite there is something fluorescing white/blue under shortwave (no photo). The label says there is tugtupite, chkalovite, albite, polylithionite, neptunite, pyrochlore, aegirine, sodalite.

Photo in normal light.
Fluorescence under shortwave UV light (254nm Hg light).
Fluorescence under longwave UV light (365nm LED).
Photo in normal light.
Fluorescence under shortwave UV light (254nm Hg light).
Fluorescence under longwave UV light (365nm LED).
Last update: 29 December 2020