Collection of Mark Fenoglio
334 specimens published from MyMinerals 1.0

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Arsenopyrite and Sphalerite
No. 0133

Peru

Attractive sprays of elongate silvery crystals (to 4 mm in length) amid bed of tetrahedral black sphalerite (to 5 mm across); underlying matrix is bed of massive sphalerite with dusting of pyrite and another layer, of calcareous material

Purchased in November 2001
  
11.2 x 10.6 x 2.9 cm (large cabinet)

  

 
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