zunyite

{{Infobox mineral | name = Zunyite | category = Sorosilicates | boxwidth = | boxbgcolor = | image = Zunyite-199876.jpg | imagesize = 260px | caption = Sharp, pyramids of brown-red zunyite from Silver City, Tintic District, East Tintic Mountains, Juab County, Utah, US (size: 5.5 x 5 x 3.5 cm) | formula = Al13Si5O20(OH,F)18Cl | IMAsymbol = Znu | molweight = | strunz = 9.BJ.55 | system = Isometric | class = Hextetrahedral (3m) H-M symbol: (3m) | symmetry = F3m | unit cell = a = 13.8654 - 13.8882 Å; Z = 4 | color = Grayish white, flesh-red; colorless in thin section | habit = Crystalline - occurs as well-formed fine sized crystals | twinning = On {111}, contact and penetration | cleavage = Good on {111} | fracture = Uneven | tenacity = Brittle | mohs = 7 | luster = Vitreous | refractive = n = 1.592 - 1.600 | opticalprop = Isotropic | birefringence = | pleochroism = | streak = White | gravity = 2.874(5) (meas.) 2.87 - 2.90 (calc.) | density = | melt = | fusibility = | diagnostic = | solubility = | diaphaneity = Transparent to translucent with inclusions | other = May fluoresce red under UV | references = }}

Zunyite is a sorosilicate mineral, Al13Si5O20(OH,F)18Cl, composed of aluminium, silicon, hydrogen, chlorine, oxygen, and fluorine.