carlosruizite

{{Infobox mineral | name = Carlosruizite | boxwidth = | boxbgcolor = | image = | imagesize = | alt = | caption = | category = Sulfate mineral | formula = K6(Na,K)4Na6Mg10(SeO4)12(IO3)12·12H2O | IMAsymbol = Crz | molweight = 4,438.69 g/mol | strunz = 7.DG.40 (10 ed) 6/D.16-60 (8 ed) | dana = 23.1.2.2 | system = Trigonal | class = Hexagonal scalenohedral (m) H-M symbol: ( 2/m) | symmetry = Pc1 | unit cell = a = 9.59 Å, c = 27.56 Å; Z = 2; V = 2,195.11 Å3 | color = Colorless to pale yellow | colour = | habit = Platy – sheet forms (e.g. micas) | twinning = | cleavage = {110} Good | fracture = | tenacity = Brittle | mohs = 2.5 – 3 | luster = Vitreous | streak = White | diaphaneity = Transparent | gravity = 3.42 | density = | polish = | opticalprop = Uniaxial (−) | refractive = nε=1.642, nω=1.655 | birefringence = δ = 0.013 | pleochroism = | 2V = | dispersion = | extinction = | length fast/slow = | fluorescence = | absorption = | melt = | fusibility = | diagnostic = | solubility = | impurities = | alteration = | other = | prop1 = | prop1text = | references = }}

Carlosruizite is a sulfate or selenate–iodate mineral with chemical formula: K6(Na,K)4Na6Mg10(SeO4)12(IO3)12·12H2O. It has a low density (specific gravity of 3.36), colorless to pale yellow, transparent mineral which crystallizes in the trigonal crystal system. It forms a series with fuenzalidaite.