Miargyrite is a mineral that can be found in silver mines. It is also known as dark red silver, silver antimony sulfide, and antimonian silver or blood silver. This paradoxical mineral is rare and has many different names because of its varying physical properties, including a dark reddish color and high silver content. Other synonyms for miargyrite include chile silver, ruby silver, dark red silver ore, and antimonite. Its chemical name is AgSbS2, which refers to the combination of elements it is made up of. Miargyrite has been used in the past for its bright colors and unique qualities in jewelry and decoration.