Samsonite (mineral)


Samsonite (mineral)

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 described in 1910 for an occurrence in the Samson Vein of the Sankt Andreasberg silver mines, Harz Mountains, Germany.

References

*Palache, C., H. Berman, and C. Frondel (1944) Dana’s system of mineralogy, (7th edition), v. I, pp. 393–395
* [http://www.webmineral.com/data/Samsonite.shtml Webmineral data]
* [http://www.mindat.org/min-3516.html Mindat with location data]
* [http://rruff.geo.arizona.edu/doclib/hom/samsonite.pdf Mineral Data Publishing - PDF]


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