Actinolite

About Actinolite

Formula
◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Actinolite
Mineral guide
Learn about Actinolite
Actinolite: rich green, silky byssolite habits, and prismatic forms; formed in greenschists and Alpine clefts; prized for color, luster, and dramatic matrix.