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SC323 - Red Sodalite var Hackmanite


Locality: Tunulliarfik Fjord, Ilímaussaq complex, Narsaq, Kujalleq, Greenland (MINDAT)
Size: 9 x 3 x 4 cm - Cabinet (6-10 cm)
Weight: 131 g
minID: T0J-R4N

Strongly tenebrescent sodalite (var hackmanite). The sodalite becomes a deep purple color after irradiation with longwave and, more strongly, shortwave UV light. Exposure to white light clears the purple color, and the sodalite returns clear (white). Strong orange fluorescence under longwave UV light, weaker under shortwave.

Photo in normal light.
Tenebrescent color.
Fluorescence under longwave UV light (365nm LED).
Fluorescence under shortwave UV light (254nm Hg light).
Last update: 28 December 2020