greenstone
Kelime Anlamı :

1. yeşil kaya.
Tanımlar :
1. any of various altered basic igneous rocks colored green by chlorite, hornblende, or epidote.
from The American Heritage® Dictionary of the English Language, 4th Edition
1. any of several green-hued minerals used for making various artefacts in early Mesoamerican cultures, e.g. greenschist, chlorastrolite, serpentine, omphacite, or chrysoprase
2. the green-hued minerals of new Zealand used by Māori to make tools, ornaments and weapons (any of three varieties of nephrite jade or one variety of bowenite)
from Wiktionary, Creative Commons Attribution/Share-Alike License
1. A name formerly applied rather loosely to certain dark-colored igneous rocks, including diorite, diabase, etc.
from the GNU version of the Collaborative International Dictionary of English