{{Short description|Mineral of manganese and silver}} {{Infobox mineral | name = Aurorite | boxwidth = | boxbgcolor = | image = Normal Aurorite in calcite with pyrolusite Hydrous silver calcium manganese oxide Aurora Mine, Hamilton, Treasure Hill District, Nevada 2354.jpg | imagesize = | alt = | caption = Aurorite crystals found in calcite | struct image = | struct caption = | struct imagesize = | struct2 image = | struct2 caption = | struct2 imagesize= | SMILES = | Jmol = | category = | formula = (Mn{{sup|2+}},Ag,Ca)Mn{{sup|4+}}{{sub|3}}O{{sub|7}}·3H{{sub|2}}O | IMAsymbol = Aro | molweight = | strunz = | dana = | system = | class = | symmetry = | unit cell = | color = Black, pale brown in transmitted light at the edges of very thin, platy grains | colour = | habit = | twinning = | cleavage = | fracture = | tenacity = | toughness = | mohs = | luster = Metallic | streak = | diaphaneity = | gravity = 3.81 | density = | polish = | opticalprop = | refractive = | birefringence = | pleochroism = | 2V = | dispersion = | extinction = | length fast/slow = | fluorescence = | absorption = | melt = | Curie temp = | fusibility = | diagnostic = | solubility = | impurities = | alteration = | other = | prop1 = | prop1text = | references = | var1 = | var1text = | var2 = | var2text = | var3 = | var3text = | var4 = | var4text = | var5 = | var5text = | var6 = | var6text = }} '''Aurorite''' is a dark-colored mineral with the chemical formula (Mn{{sup|2+}},Ag,Ca)Mn{{sup|4+}}{{sub|3}}O{{sub|7}}·3H{{sub|2}}O. It is named for its type locality, the North Aurora mine in White Pine County, Nevada.<ref>[https://mindat.org/min-428.html Aurorite] {{Webarchive|url=https://web.archive.org/web/20190406031819/https://www.mindat.org/min-428.html |date=2019-04-06 }} on mindat.org</ref>
== References ==
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== External links ==
* [http://webmineral.com/data/Aurorite.shtml Aurorite data sheet] * [http://handbookofmineralogy.com/pdfs/aurorite.pdf Aurorite] on the ''Handbook of Mineralogy''
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Category:Manganese(II,IV) minerals Category:Silver minerals Category:Calcium minerals Category:Trihydrate minerals Category:Minerals described in 1967