Brightly Fluorescent Ruby - Myanmar

Contributed by: FMS Admin
Date: May 10th, 2026
Locality: Mogok Township, Pyin-Oo-Lwin District, Mandalay Region, Myanmar (See on Mindat)
Size: 5 x 1 x 5 mm

Description:
Very brightly fluorescing specimen of corundum var. ruby, with "trigons", from the Mogok Township, Pyin-Oo-Lwin District, Mandalay Region, Myanmar.

Originally posted by Frédéric Messier Leroux on Nature's Rainbows in 2024.

Fluorescence under longwave UV light. 365nm LED

Fluorescence under longwave UV light. 395nm LED

Fluorescence under blue (450nm) LED light.

Normal light. 6500K

Summary of luminescence responses:

Corundum var. Ruby (Mindat) (RRUFF)

• Fluorescence under Longwave (365nm LED) UV light: Red
• Fluorescence under Blue light (450nm LED): Pink
• Fluorescence under Other: Red