No, they are not rigid and brittle they are darkcollered and dence and have holes sometimes.
Igneous rock
plat techtonce
Rock that forms from molten rock that cools and solidifies is called igneous rock.
Igneous rock is formed when magma cools and becomes solid.
Extrusive igneous rock such as basalt, rhyolite, pumice, and obsidian.
WHAT IS RIGID BRITTLE ROCK CALLED? WHAT IS RIGID BRITTLE ROCK CALLED? we have no clue
WHAT IS RIGID BRITTLE ROCK CALLED? WHAT IS RIGID BRITTLE ROCK CALLED? we have no clue
Rigid, brittle rock.
Igneous rock
plat techtonce
Rock that forms from molten rock that cools and solidifies is called igneous rock.
Igneous rock is formed.
Igneous rock is formed when magma cools and becomes solid.
an igneous rock.
A rock may be brittle.
Obsidian is an igneous rock.
Extrusive igneous rock such as basalt, rhyolite, pumice, and obsidian.