redingtonite
/ˈrɛdɪŋtənʌɪt/Mineralogy
noun
An iron-containing mineral belonging to the halotrichite group, typically occurring as fibrous masses of a white, yellowish, or purple colour.
- Redingtonite is a hydrated sulphate of iron, magnesium, nickel, chromium, and aluminium. Crystal system: monoclinic..
Origin
Late 19th century. From the name of the Redington mercury mine, Knoxville, Napa County, California, where the mineral is found + -ite.