antholite noun2 •A fibrous form of amphibole.Antholite is fibrous or asbestiform, grey to brown; […] Cummingtonite is much like antholite, gey to brown; fibrous — 1878 •A fossil plant resembling a petrified flower.He considers this Antholite from the coal to be "the spike of a very highly organised flowering plant in full flower,", p. 20. — 1858 formsantholites