fluellite

{{Infobox mineral | name = Fluellite | category = Phosphate minerals | image = Fluellite-111339.jpg | imagesize = 260px | alt = | caption = Fluellite from Leveäniemi Mine, Svappavaara, Kiruna district, Lappland, Sweden | formula = Al2(PO4)F2(OH)•7H2O | IMAsymbol = Fll | molweight = | strunz = 8.DE.10 | dana = | system = Orthorhombic | class = Dipyramidal (mmm) H-M symbol: (2/m 2/m 2/m) | symmetry = Fddd | color = Colorless, white, pale yellow | colour = | habit = Dipyramidal crystals commonly in aggregates; powdery, massive | twinning = | cleavage = Indistinct on {001} and {111} | fracture = | tenacity = | mohs = 3 | luster = Vitreous | streak = | diaphaneity = Transparent | gravity = 2.18 | density = | polish = | opticalprop = Biaxial (+) | refractive = nα = 1.473 - 1.490 nβ = 1.490 - 1.496 nγ = 1.506 - 1.511 | birefringence = δ = 0.033 | pleochroism = | 2V = | dispersion = | extinction = | length fast/slow = | fluorescence= Fluorescent, Long UV=creamy white | absorption = | melt = | fusibility = | diagnostic = | solubility = | other = | alteration = | references = }}

Fluellite is a mineral with the chemical formula Al2(PO4)F2(OH)•7H2O. The name is from its chemical composition, being a fluate of alumine (French).