Suredaite

  
 
  
A vein roughly 2-3 mm wide through matrix with exposed, obvious, needle-like and grey and silvery crystals.
  
Long, slender platy and silvery crystals embedded in matrix to 4 mm.
  
Long, slender platy silvery crystals embedded in matrix to 3 mm.
Origin: Pirquitas Ag Sn deposit, Puna, Abra Pampa, , Jujuy prov., Argentina (type locality)
Sample size: 5 x 5 x 3 cm (top), 2 x 1.5 x 1 cm (2nd row), 13 x 12 x 10 mm (3rd row), 1.5 x 1.5 x 1 cm (bottom)
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

Grey-black bladed flat aggregates and veins in matrix
Black crystals to 1 mm on matrix
Origin: Mina Pirquitas, Jujuy Province, Argentina (type locality)
Sample size: 1 x 2.5 cm (top), micromount (bottom)
 

Photo courtesy of: 

Diederik Visser

Diederik Visser Minerals & Petrological Services

 

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