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Samsonite (mineral)

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Category
  
Sulfosalt minerals

Strunz classification
  
2.GA.15

Space group
  
P21/n

Formula(repeating unit)
  
Ag4MnSb2S6

Crystal system
  
Monoclinic

Samsonite (mineral)

Crystal class
  
Prismatic (2/m)(same H-M symbol)

Samsonite is a silver manganese antimony sulfosalt mineral with formula Ag4MnSb2S6. It crystallizes in the monoclinic crystal system with a typical slender radiating prismatic habit. It is metallic black to steel black with no cleavage and a brittle to conchoidal fracture. In thin fragments it appears reddish brown in transmitted light and also leaves a red streak. It is soft, Mohs hardness of 2.5, and has a specific gravity of 5.51.

It was first named in 1910 after an occurrence in the Samson Vein of the Sankt Andreasberg silver mines, Harz Mountains, Germany.

References

Samsonite (mineral) Wikipedia


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