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n.1.(Min.) An olive-green fibrous variety of hornblende.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
The highly lustrous, well terminated epidote crystals reach 10 cm individually, and the groups show, in varying combinations, typical associations of sharply crystallized albite, apatite-(CaF), and fibrous actinolite ("byssolite" or "amianthus").
In Val Maira, near Acceglio, fine epidote crystals in druses with "byssolite" are found.
He then offered me some select new varieties that had been purchased in the last day or so, and I chose a representative suite of fine Alpine cleft minerals: calcite with adularia, large diopsides on albite, epidote on calcite, well crystallized adularia with byssolite, and a single vesuvianite.