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SC363 - Corundum var Ruby


Locality: Lục Yên District, Yên Bái Province, Vietnam (MINDAT)
Size: 5 x 6 x 4 cm - Miniature (3-6 cm)
Weight: 150.1 g
minID: DT6-YMC

Aggregate of pink corundum (ruby) crystals. Very 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