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Fluorescent ruby from Tanzania

Shown here is a pretty nice specimen of corundum var. ruby from the Mundarara Mine, Longido District, Arusha Region, Tanzania. Its fluorescence is not very bright, but it is a beautiful, deep saturated red. Just bright enough for a display, if placed closer to the lamp.

Size: 7,5 cm X 6,3 cm X 2,8 cm

Shown below: Longwave UV fluorescence, then specimen in visible light.

Longwave UV response

Specimen shown in visible light.



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