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SC369 - Spinel


Locality: Lục Yên District, Yên Bái Province, Vietnam (MINDAT)
Size: 3 cm - Miniature (3-6 cm)
Weight: 55.0 g
minID: NPF-E56

Large octahedral spinel crystal. Strong red fluorescence under longwave UV light.

Photo in normal light.
Fluorescence under longwave UV light (365nm LED).
Fluorescence spectrum due to chromium (Cr3+) under longwave UV light (365nm LED).
Last update: 12 April 2021