Bart PickardAug 4, 2016Sphalerite & Willemite - Sterling Hill Mine, Ogdensburg, NJSphalerite & Willemite from the Sterling Hill Mine in Ogdensburg, NJ. Long wave, short wave & white light
Sphalerite & Willemite from the Sterling Hill Mine in Ogdensburg, NJ. Long wave, short wave & white light