Noah Webster
Greenstone
GREE'NSTONE, noun [so called from a tinge of green in the color.]
A rock of the trap formation, consisting of hornblend and feldspar in the state of grains or small crystals.
GREE'NSTONE, noun [so called from a tinge of green in the color.]
A rock of the trap formation, consisting of hornblend and feldspar in the state of grains or small crystals.