Aragonite Needles - Sterling Hill Mine, New Jersey

Contributed by: FMS Admin
Date: Mar 13th, 2026
Locality: Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA (See on Mindat)
Size: 4 x 2.5 x 6 inches
Weight: 2.66 lb

Description:
Rare layers of needles of aragonite on a dark matrix from the 1040 and 1080 stopes, between the 430 foot and 500 foot levels in the Sterling Hill Mine, Ogdensburg, Sussex County, New Jersey. The aragonite fluoresces creamy white SW.

Originally posted by Stuart Schneider on Nature's Rainbows.

Fluorescence under shortwave UV light.

Normal light.

Fluorescence under shortwave UV light. Side 2

Normal light. Side 2.

Summary of luminescence responses:

Aragonite (Mindat) (RRUFF)

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