Arsenopyrite from st Austell consols down Derry st Stephen-in-brannel Cornwall England
Size-
5.2cm x 4.5cm x 2.5cm
Weight-
151g
You will receive the item in the photo
Arsenopyrite is a hard,silver-white to steel gray metallic mineral with the formula FeAsS, primarily known as the most common arsenic-bearing mineral.
Crystal system-Monoclinic
Minearl class-sulfide
Hardness-5.9-6