Meliphanite from the Rovgora Mountain, Russia

Contributed by: Simone Conti
minID: LTF-UM4
Date: May 28th, 2026
Locality: Rovgora Mountain (Rov-gora), West Keivy Block, Western Keivy Massif, Keivy Mountains, Lovozersky District, Murmansk Oblast, Russia (See on Mindat)
Size: 2.5 x 2.5 x 4 cm
Weight: 25.7 g

Description:
Yellow, translucent meliphanite crystals on black biotite. Under midwave UV light the meliphanite fluoresces deep violet, shifting towards blue under longwave UV. The biggest crystal is perhaps a couple of millimeters long.

Fluorescence under midwave UV light.

Normal light.

Fluorescence under midwave UV light.

Fluorescence under longwave UV light.

Normal light.

Summary of luminescence responses:

Meliphanite (Mindat) (RRUFF)

• Fluorescence under Midwave (305nm Lamp/Mercury) UV light: Violet
• Fluorescence under Longwave (365nm LED) UV light: Blue