greenstone (rock)
- Scope note
- Any of various rocks that are green in color, including altered igneous rocks colored green by feldspar, hornblende, augite, nephrite, or other minerals, or low-grade metamorphic rock containing actinolite, epidote, or albite. Greenstone has been used for carving and construction.
- Date of creation: 18-Nov-2024
Accepted term: 18-Nov-2024