BT16 – Arsenopyrite and Siderite. Panasqueira mines, Barroca Grande, Castelo Branco, Portugal.

Well formed Arsenopyrite crystals disposed on matrix with brown Siderite crystals and Muscovite. The condition is excellent. On matrix of Quartz crystals totally coated by Chlorite and Siderite.

 

Specimen size: 10 cm x 5.5 cm

 

 

Not available

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