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 short wave 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. The size of this specimen is 60 x 48 x 31 mm, and it weighs 114 grams.
Short Wave UV (254nm)