wagnerite

{{Infobox mineral | name = Wagnerite | category = Phosphate mineral | image = Wagnerite. Werfen, Salzburg, Austria-9033.jpg | imagesize = | alt = | caption = | formula = | IMAsymbol = Wag | molweight = | strunz = 8.BB.15 | dana = 41.6.2.1 | system = Monoclinic | class = Prismatic (2/m) | symmetry = P21/a’’ | unit cell = | color = Yellow, grayish, red, reddish brown, brown, green | habit = Elongate and striated prisms, tabular, massive | twinning = | cleavage = {100} imperfect, {120} imperfect | fracture = Sub-conchoidal, splintery | tenacity = Brittle | mohs = 5–5.5 | luster = Vitreous, resinous | refractive = | opticalprop = Biaxial (+), colorless (transmitted light) | birefringence = | 2V = 25°–35° (measured) | pleochroism = None | streak = | gravity = 3.15 | density = 3.15 (measured), 3.15 (calculated) | melt = | fusibility = | diagnostic = | solubility = Soluble in acids | diaphaneity = Translucent, nearly opaque | other = | references = }}

Wagnerite is a mineral, a combined phosphate and fluoride of iron and magnesium, with the formula . It occurs in pegmatite associated with other phosphate minerals. It is named after Franz Michael von Wagner (1768–1851), a German mining official in Munich.