byssolite|ˈbɪsəlaɪt| [f.Gr. βύσσος + -lite.] An olive-green fibrous mineral, a variety of amphibole; the same as asbestoid. 1847in Craig.1869Daily News 8 Oct., Columns of Oriental byssolite.1879Rutley Stud. Rocks x. 131 Byssolite is more compact in aggregation.