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Actinolite
Actinolite
12
listings
96
in gallery
Market data
About Actinolite
Formula
◻Ca
2
(Mg
4.5-2.5
Fe
0.5-2.5
)Si
8
O
22
(OH)
2
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.