It looks like how you described it
Obsidian, produced from felsic lava
Obsidian.
Obsidian
basalt
Obsidian.
hjjj
Igneous rock.(obsidian)
Igneous rock is a result of cooled lava or magma.
Is called igneous rock.
Igneous rock is formed from magma or lava that has cooled and solidified.
Granite is formed from molten rock that has cooled. Since it forms underground, however, the molten rock that it forms from is called magma rather than lava.
Igneous rock is formed from solidified and cooled magma or lava.
Igneous rock.(obsidian)
Igneous rock is formed from lava that has cooled and, of course, hardened.
Cooled lava produces extrusive igneous rock.
Obsidian is a beautiful rock. It's description is pretty simple, it is a rock that formed out of cooled lava, and is black in color.
pumice
Igneous rock is a result of cooled lava or magma.
it is lava and when lava cools it forms igneous rock
Is called igneous rock.
Igneous rock is formed from magma or lava that has cooled and solidified.
obsidian
Granite is formed from molten rock that has cooled. Since it forms underground, however, the molten rock that it forms from is called magma rather than lava.