AskDefine | Define polybasite

User Contributed Dictionary



  1. An iron-black ore of silver, consisting of silver, sulphur, and antimony, with some copper and arsenic.


Extensive Definition

Polybasite is a sulfosalt mineral of silver, copper, antimony and arsenic. Its chemical formula is ()16()2.
It forms black hexagonal crystals which can show dark red internal reflections. It has a Mohs hardness of 2.5 to 3. It is found worldwide and is an ore of silver. The name comes from the number of base metals in the mineral.
polybasite in Catalan: Polibasita
polybasite in German: Polybasit
polybasite in Italian: Polibasite
polybasite in Dutch: Polybasiet
polybasite in Polish: Polibazyt
polybasite in Slovak: Polybazit
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