scorzalite

{{Infobox mineral | name = Scorzalite | boxwidth = | boxbgcolor = | image = Scorzalite-245653.jpg | imagesize = 260px | alt = | caption = Scorzalite from the Estaño Orcko mine, Potosí Department, Bolivia (6.8 x 5.7 x 5.1 cm) | category = Phosphate minerals | formula = | IMAsymbol = Scz | molweight = | strunz = 8.BB.40 | dana = | system = Monoclinic | class = Prismatic (2/m) (same H-M symbol) | symmetry = P2/c | unit cell = a = 7.15&nbsp;Å, b = 7.31&nbsp;Å c = 7.25&nbsp;Å; β = 120.58°; Z&nbsp;=&nbsp;2 | color = Dark blue | colour = | habit = Granular, massive, dipyramidal crystals | twinning = Multiple, lamellar | cleavage = Good on {110}, indistinct on {101} | fracture = Uneven | tenacity = | mohs = 6 | luster = Vitreous | streak = White | diaphaneity = Semitransparent | gravity = 3.33 | density = | polish = | opticalprop = Biaxial (−) | refractive = nα = 1.626 – 1.645 nβ = 1.654 – 1.674 nγ = 1.663 – 1.680 | birefringence = δ = 0.037 | pleochroism = Visible X = colorless; Y = Z = blue | 2V = Measured: 62° | dispersion = r < v perceptible | extinction = | length fast/slow = | fluorescence = | absorption = | melt = | fusibility = | diagnostic = | solubility = | impurities = | alteration = | other = | prop1 = | prop1text = | references = }}

Scorzalite () is a dark blue phosphate mineral containing iron, magnesium, and aluminium phosphate. Scorzalite forms one endmember of a solid solution series with the lighter, more magnesium-rich lazulite.