SC858 – Fluoborite from the Sterling Mine, Ogdensburg, New Jersey, USA

Jun 2, 2023 | Fluoborite, Mineral Collection

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.
Locality: Sterling Mine, Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA (Mindat)
MinID: 6MG-CE3
Size: 11 x 6 x 8 cm
Weight: 597.5 g
Fluorescence under shortwave UV light.
Normal light.
Label from Charlie Butts.
Label from the Franklin Mineral Museum.
Label from James A. Van Fleet.
Read more about Fluoborite