Ixiolite

{{Infobox mineral | name = Ixiolite | image = Ixiolite-490369.jpg | alt = | caption = Ixiolite found in Mozambique | category = Oxide minerals | formula = or | IMAsymbol = Ix | strunz = 4.DB.25 | dana = | system = Orthorhombic, some varieties might be monoclinic | class = Dipyramidal (mmm) H-M symbol: (2/m 2/m 2/m) | symmetry = Pbcn | unit cell = a = 4.785, b = 5.758 c = 5.16 [Å]; Z = 4 | color = Steel-grey, black | colour = | habit = Irregular granular or inclusions, also as prismatic crystals; some varieties might be pseudoorthorhombic | twinning = Uncommon on {013} | cleavage = | fracture = Irregular/ uneven, sub-conchoidal | tenacity = Brittle | mohs = 6 - | luster = Sub-metallic | streak = | diaphaneity = Opaque | gravity = 7.03 - 7.23 | density = | polish = | opticalprop = | refractive = | birefringence = | pleochroism = | 2V = | dispersion = | extinction = | length fast/slow = | fluorescence = | absorption = | melt = | fusibility = | diagnostic = | solubility = | impurities = | alteration = | other = | prop1 = | prop1text = | references = }}

Ixiolite is an accessory oxide mineral found in granitic pegmatites. It is an oxide with the general chemical formula or .