babingtonite
/ˈbabɪŋt(ə)nʌɪt/Mineralogy
noun
A rare mineral occurring as dark greenish-black striated crystals, typically in association with zeolites.
- Babingtonite is a basic silicate of calcium, iron, and manganese, Ca2(Fe,Mn)FeSi5O14(OH). Crystal system: triclinic..
Origin
Early 19th century. From the name of William Babington, Irish physician and mineralogist + -ite.