From the picture, what type of rock is it?
conglomerate
From the picture, what type of rock is it?
scoria
From the picture, what type of rock is it?
rock salt
From the picture, what type of rock is it?
sandstone
From the picture, what type of rock is it?
garnite
From the picture, what type of rock is it?
obsidian
From the picture, what type of rock is it?
breccia
From the picture, what type of rock is it?
gneiss
From the picture, what type of rock is it?
pumice
From the picture, what type of rock is it?
basalt
From the picture, what type of rock is it?
marble
From the picture, what type of rock is it?
Dolomite