The rock basalt can be greenish, blackish, or gray.
The uppermost mantle rock is Peridotite, which is mostly olivine and pyroxene but varies somewhat in chemical composition. Generally it is a coarse grained greenish rock. The name peridotite is derived from the gemstone peridot, which is pale green olivine.
How would a sandblasted rock differ from a rock that hasn't been sandblasted? A sandblasted rock would be smoother in shape and less jagged.
Greenish
If the rock melts the resulting rock type would be igneous rather than metamorphic.
It is obsidian.
A Gneiss rock is somewhat dark-greenish, depending on when it was made.
Bogey
The rock basalt can be greenish, blackish, or gray.
It will look like greenish to blackish color and will be a part of igneous rock.
The copper is oxidized by carbonic acid in the rain to form copper carbonate, a greenish solid.
Greensend rock does not exist. You are thinking of greensAnd rock - a sand or sediment having a dark greenish colour caused by the presence of glauconite. It can be fossil - rich.
Carbon films
It is an extremely thin coating of carbon on rock.
One such color would be teal.
One such color would be teal.
They look like a greenish-brown rock in shallow waters near the Indian and Pacific Ocean.