Arsenopyrite Crystals & Siderite Crystals — Portugal


  • Size: about 2-1/4″ x 1-1/2″ x 1″
  • Weight: 2 oz.
  • Origin: Panasqueria, Portugal
  • Treatments: none

1 in stock


A natural specimen of Arsenopyrite Crystals & Siderite Crystals from Portugal. This specimen displays a unique formation. It makes a perfect addition to any collection!

This specimen is part of the M. Farber Collection. Circa 1976-1992.

This piece measures about 2-1/4″ x 1-1/2″ x 1″, and weighs 2 ounces.

Item pictured is the item that will be received and will come with an information label and a Historic label.


We have more minerals in stock — Don’t hesitate to email us at or phone us at 856-795-5077 if you’re after something in particular.

Additional information

Weight0.3125 oz
Dimensions3.5 × 2.5 × 2 in


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