Sphalerite & Willemite - Sterling Hill Mine, Ogdensburg, NJBart PickardAug 4, 20161 min readSphalerite & Willemite from the Sterling Hill Mine in Ogdensburg, NJ. Long wave, short wave & white lightSphalerite, Willemite - Long Wave UVSphalerite, Willemite - Short WaveSphalerite & Willemite - White Light