{{Short description|Arsenate mineral of copper and aluminium}} {{Infobox mineral | name = Attikaite | boxwidth = | boxbgcolor = | image = Attikaite-91256.jpg | imagesize = | alt = | caption = Attikaite found at its type locality | struct image = | struct caption = | struct imagesize = | struct2 image = | struct2 caption = | struct2 imagesize= | SMILES = | Jmol = | category = | formula = Ca{{sub|3}}Cu{{sub|2}}Al{{sub|2}}(AsO{{sub|4}}){{sub|4}}(OH){{sub|4}}·2H{{sub|2}}O | IMAsymbol = Atk | molweight = | strunz = | dana = | system = | class = | symmetry = | unit cell = | color = light blue, greenish blue | colour = | habit = | twinning = | cleavage = | fracture = | tenacity = | toughness = | mohs = | luster = | streak = | diaphaneity = | gravity = 3.2 | 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 = }} '''Attikaite''' is a copper calcium aluminum arsenate mineral with the chemical formula Ca{{sub|3}}Cu{{sub|2}}Al{{sub|2}}(AsO{{sub|4}}){{sub|4}}(OH){{sub|4}}·2H{{sub|2}}O. It was named after Attica Prefecture, where it was first identified.<ref>[https://mindat.org/min-30778.html Attikaite] {{Webarchive|url=https://web.archive.org/web/20190321214401/https://www.mindat.org/min-30778.html |date=2019-03-21 }} on mindat.org</ref>
== References ==
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== External links ==
* [http://webmineral.com/data/Attikaite.shtml Attikaite data sheet] * [http://handbookofmineralogy.com/pdfs/attikaite.pdf Attikaite] on the ''Handbook of Mineralogy''
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Category:Copper(II) minerals Category:Calcium minerals Category:Aluminium minerals Category:Arsenate minerals Category:Hydroxide minerals Category:Dihydrate minerals Category:Minerals described in 2006