Stromeyerite

{{Short description|Sulfide mineral}} {{Infobox mineral | name = Stromeyerite | boxwidth = | boxbgcolor = | image = Stromeyerite-352225.jpg | imagesize = 260px | alt = | caption = | category = Sulfide minerals | formula = AgCuS | IMAsymbol = Smy<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.40 | system = Orthorhombic | class = Dipyramidal (mmm) <br/>H-M symbol: (2/m 2/m 2/m) | symmetry = ''Cmcm'' | unit cell = | color = | colour = | habit = | twinning = | cleavage = | fracture = | tenacity = | mohs = | luster = | streak = | diaphaneity = | gravity = | density = | polish = | opticalprop = | refractive = | birefringence = | pleochroism = | 2V = | dispersion = | extinction = | length fast/slow = | fluorescence = | absorption = | melt = | fusibility = | diagnostic = | solubility = | impurities = | alteration = | other = | prop1 = | prop1text = | references = }}

'''Stromeyerite''' or ''copper-silver glance''<ref name="kriv">Krivovichev V. G. Mineralogical glossary. Scientific editor A. G. Bulakh. — St.Petersburg: St.Petersburg Univ. Publ. House. 2009. — 556 p. — ISBN 978-5-288-04863-0</ref>{{rp|223}} is a sulfide mineral of copper and silver, with the chemical formula Ag Cu S. It forms opaque blue grey to dark blue orthorhombic crystals.

It was discovered in 1832 in Central Bohemia Region, Czech Republic, and named after the German chemist, Friedrich Stromeyer who performed the first analysis of the mineral.<ref>http://www.mindat.org/min-3803.html Mindat</ref><ref>http://rruff.geo.arizona.edu/doclib/hom/stromeyerite.pdf Mineral Handbook</ref>

==References== {{reflist}}

Category:Copper(I) minerals Category:Silver minerals Category:Sulfide minerals Category:Orthorhombic minerals Category:Minerals in space group 63 Category:Minerals described in 1832