{{Other uses|Telluric silver}} {{Infobox mineral | name = Hessite | boxwidth = | boxbgcolor = | image = Gold-Hessite-mf11b.jpg | imagesize = 260px | alt = | caption = | category = Sulfide minerals | formula = Ag<sub>2</sub>Te | IMAsymbol = Hes<ref>{{Cite journal|last=Warr|first=L.N.|date=2021|title=IMA–CNMNC approved mineral symbols|journal=Mineralogical Magazine|volume=85|issue=3|pages=291–320|doi=10.1180/mgm.2021.43|bibcode=2021MinM...85..291W|s2cid=235729616|doi-access=free}}</ref> | molweight = | strunz = 2.BA.30c | dana = | system = Monoclinic | class = Prismatic (2/m) <br/><small>(same H-M symbol)</small> | symmetry = ''P2''<sub>1</sub>/c | unit cell = a = 8.13, b = 4.48 <br/>c = 8.09 [Å]; β = 112.9°; Z = 4 | color = Lead-grey, steel-grey | colour = | habit = | twinning = | cleavage = Indistinct on {100} | fracture = | tenacity = Sectile | mohs = 2–3 | luster = Metallic | streak = black | diaphaneity = Opaque | gravity = 8.24 – 8.45 | density = | polish = | opticalprop = Anisotropic | refractive = | birefringence = | pleochroism = | 2V = | dispersion = | extinction = | length fast/slow = | fluorescence = | absorption = | melt = | fusibility = | diagnostic = | solubility = | impurities = | alteration = | other = | prop1 = | prop1text = | references = <ref>[http://webmineral.com/data/Hessite.shtml Webmineral]</ref><ref> [http://www.mindat.org/min-1881.html Mindat.org]</ref> }}
'''Hessite''' is a mineral form of disilver telluride (Ag<sub>2</sub>Te). 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 (Ag<sub>7</sub>Te<sub>4</sub>) and empressite (AgTe) are related silver telluride minerals.
== References == {{Reflist}}
{{Commons}}
Category:Silver minerals Category:Telluride minerals Category:Monoclinic minerals Category:Minerals in space group 14 Category:Minerals described in 1843
{{Mineral-stub}}