Gneissic banded ore, willemite (light green), calcite (white), zincite (red), and franklinite showing a "peacock ore" patina (green, violet, blue) from Franklin, NJ. 4" x 2". From the collection of JVF, and photo by WP.
Franklin-Ogdensburg Mineralogical Society Inc - FOMS, Franklin, NJ |
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