Zunyite is a sorosilicate mineral, Al<sub>13</sub>Si<sub>5</sub>O<sub>20</sub>(OH,F)<sub>18</sub>Cl, composed of aluminium, silicon, hydrogen, chlorine, oxygen, and fluorine.
Occurrence
thumb|left|Glassy, translucent, gray-tan, pseudohexagonal zunyite crystals on a milky quartz matrix. From the Big Bertha Mine, [[Dome Rock Mountains, La Paz County, Arizona (size: 3.3 x 3.2 x 2.8 cm))]]
Zunyite occurs in highly aluminous shales and hydrothermally altered volcanic rocks. It occurs in association with pyrophyllite, kaolinite, alunite, diaspore, rutile, pyrite, hematite and quartz.