Herkimer Diamonds-Dark, Rod-Shaped Inclusions
                        from Herkimer County, New York                                   
Cochise College
Geology Home Page 
Roger Weller, geology instructor 
Herkimer Diamonds               

last edited:  3/30/18         3 views
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rod-shaped inclusions in Herkimer diamonds
 This rounded, smooth rod-shaped inclusion might be a hydrocarbon.