Eucryptite - Parker Mountain Mine, Strafford, New Hampshire

Contributed by: Chris Clemens
Date: Apr 28th, 2026
Locality: Parker Mountain Mine, Strafford, Strafford County, New Hampshire, USA (See on Mindat)
Size: 48 x 31 x 60 mm
Weight: 114 g

Description:
Grey-colored specimen containing a high percent content of eucryptite, from the Parker Mountain Mine, Parker Mountain, Strafford, New Hampshire. The eucryptite shows a beautiful, rich, red fluorescence under shortwave UV, but is poorly fluorescent under other wavelengths. The Parker Mountain Mine is located within a granite pegmatite occurrence that was mined for mica and feldspar between the 1880s and 1959.

Originally posted by Chris Clemens on Nature's Rainbows in 2017.

Fluorescence under shortwave UV light.

Normal light.

Summary of luminescence responses:

Eucryptite (Mindat) (RRUFF)

• Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: Red