Kolicite crystals (orange to red), calcite (white to cream), willemite (light red), holdenite (pink) and franklinite (black) from the Sterling Hill Mine, Ogdensburg, NJ. Field of view 1". From the collection of, and photo by Robert A. Boymistruk.
Franklin-Ogdensburg Mineralogical Society Inc - FOMS, Franklin, NJ |
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