Fluoborite from the Sterling Mine, Ogdensburg, New Jersey, USA
Contributed by: Simone Conti
minID: 6MG-CE3
Date: Dec 03rd, 2024
Locality: Sterling Mine, Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA (See on Mindat)
Size: 6 x 8 x 11 x cm
Weight: 597.5 g
Description:
Fluoborite in a marble matrix with small pyrite grains and graphite flakes. The fluoborite fluoresces a bright off-white color under shortwave UV light. From the Sterling Mine, likely from the edge where the orebody touches the surrounding Franklin marble.
Summary of luminescence responses:
Fluoborite
- Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: White