Actinolite
Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)2
Amphibole Silicate
Inosilicate Group
Monoclinic System
Hardness: 5-6
Pale to dark green, yellowish green and black. White or grey when in asbestos.
Actinolite
Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)2
Amphibole Silicate
Inosilicate Group
Monoclinic System
Hardness: 5-6
Pale to dark green, yellowish green and black. White or grey when in asbestos.