Dravite



Dravite tourmaline (black prismatic crystals) and calcite (white) from the 1060 crosscut, 700 ft level, Sterling Hill Mine, Ogdensburg, NJ. Field of view 3 1/4". From the collection of JVF, and photo by WP.


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Dravite tourmaline and calcite, Sterling Hill Mine, Ogdensburg, NJ