Pyrargyrite

[pai'rɑ:dʒirait]

Definition

(n.) Ruby silver; dark red silver ore. It is a sulphide of antimony and silver, occurring in rhombohedral crystals or massive, and is of a dark red or black color with a metallic adamantine luster.

Checker: Williams

Definition

n. an ore of silver consisting of the sulphide of silver and antimony.

Edited by Katy