Actinolite is very closely related to Tremolite, and the green colour comes from the iron in the chemical structure. Varieties include Nephrite Jade and asbestos when in the asbestiform crystal habit.
| Alternative Names | N/A |
| Colour | Green |
| Hardness | 5 - 6 |
| Crystal system | Monoclinic |
| Streak | Colourless |
| Lustre | Vitreous, silky |
| Main Locations | Worldwide |
| Chakra | Heart |
| Zodiac | Scorpio |
| Numerology | 9 |
| Planetary | Earth |
| Element | Earth |
