nadorite

{{Infobox mineral | name = Nadorite | category = Halide mineral | boxwidth = | boxbgcolor = | image = Nadorite-160239.jpg | imagesize = | caption = | formula = PbSbO2Cl | IMAsymbol = Nad | molweight = | strunz = 3.DC.30 | system = Orthorhombic | class = Dipyramidal (mmm) H-M Symbol: (2/m 2/m 2/m) | symmetry = Bmmb | color = Brown, brownish-yellow, yellow | habit = | twinning = On {101}, nearly perpendicular (91°45'), common | cleavage = On {010}, perfect | fracture = Uneven | tenacity = | mohs = - 4 | luster = Adamantine, Resinous | polish = | refractive = nα = 2.300 nβ = 2.340 - 2.350 nγ = 2.360 - 2.400 | opticalprop = | birefringence = δ = 0.060 - 0.100 | dispersion = Strong | pleochroism = | fluorescence= | absorption = | streak = White, yellow to yellowish white | gravity = | density = 7 | melt = | fusibility = | diagnostic = | solubility = | diaphaneity = Translucent | alteration = To cerussite | other = | references = }} Nadorite is a mineral with the chemical formula PbSbO2Cl. It crystallizes in the orthorhombic crystal system and is brown, brownish-yellow or yellow in color, with a white or yellowish-white streak.

Nadorite is named after Djebel Nador in Hammam N'Bail, Algeria, where it was first identified in 1870.