STEPHANITE
Source: 567
Steph″an‐ite (?), n. [[So named after the Archduke Stephan, mining director of Austria.]] (Min.) A sulphide of antimony and silver of an iron-black color and metallic luster; called also black silver, and brittle silver ore.
Source: 567
Steph″an‐ite (?), n. [[So named after the Archduke Stephan, mining director of Austria.]] (Min.) A sulphide of antimony and silver of an iron-black color and metallic luster; called also black silver, and brittle silver ore.