Arsenopyrite from Franklin Marble, USA
Small specimen of arsenopyrite on matrix from the Franklin Marble, NJ, USA.
Arsenopyrite from the Franklin Marble, Sussex County, New Jersey, USA
Small specimen of arsenopyrite on matrix from the Franklin Marble, NJ, USA.
The Franklin Marble is an underlying rock formation rather than a specific locale.
This piece comes boxed with an ID label.


Toxic mineral: Arsenopyrite contains Arsenic




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