Category Sulfide minerals Strunz classification 2.BA.30c Space group P21/c | Formula
(repeating unit) Ag2Te Crystal system Monoclinic | |
 | ||
Crystal class Prismatic (2/m)
(same H-M symbol) | ||
Hessite is a mineral form of disilver telluride (Ag2Te). It is a soft, dark grey telluride mineral which forms monoclinic crystals.
It is named after Germain Henri Hess (1802–1850).
Hessite is found in the US in Eagle County, Colorado and in Calaveras County, California and in many other locations.
Stützite (Ag7Te4) and empressite (AgTe) are related silver telluride minerals.
References
Hessite Wikipedia(Text) CC BY-SA