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| R.I. :
1.606-1.641 |
Hardness : 5 - 6 |
| Chemical Comp. : |
Ca2 (Mg,Fe)5Si8O22(OH)2 |
| Density : |
2.98 - 3.1, Average = 3.04 |
| Crystal Group : |
Monoclinic |
Actinolite is an amphibole silicate mineral
Name is derived from the Greek, aktinos, meaning “ray,” in allusion to its often radial-fibrous nature. Mostly found in Green, and medium green-black, with Vitreous, Silky luster. |
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