alvanite

{{Infobox mineral | name = Alvanite | boxwidth = | boxbgcolor = | image = Alvanite.jpg | imagesize = | alt = | caption = Alvanite found at its type locality | struct image = | struct caption = | struct imagesize = | struct2 image = | struct2 caption = | struct2 imagesize= | SMILES = | Jmol = | category = | formula = {{chem2|(Zn,Ni)Al4(V^{5+}O3)2(OH)12*2H2}}O | IMAsymbol = Alv | molweight = | strunz = | dana = | system = | class = | symmetry = | unit cell = | color = Pale bluish green to bluish black | colour = | habit = | twinning = | cleavage = | fracture = Micaceous | tenacity = | toughness = | mohs = 3-3.5 | luster = Vitreous, Pearly | streak = White | diaphaneity = Translucent | gravity = 2.49 | 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 = }} Alvanite (IMA symbol: Alv) is a zinc nickel aluminium vanadate mineral with the chemical formula {{chem2|(Zn,Ni)Al4(V^{5+}O3)2(OH)12*2H2}}O. It was originally discovered in the Karatau Mountains.

== References ==