Yes, it does.
Impossible to say, not knowing the definition of plain regular rock. There are some rocks harder than obsidian, while many are softer.
Obsidian is an igneous rock.So the answer is YES.
Obsidian is an igneous rock.
Yes, obsidian is an igneous rock. It forms when molten lava cools rapidly and solidifies without crystal formation, resulting in a smooth, glassy texture. Obsidian is commonly found near volcanic areas.
Obsidian is in the Igneous rock group.
No. Obsidian is volcanic glass. Glass is amorphous and thus noncrystalline.
No. Obsidian is just one of many types of volcanic rock.
Volcanic rock.
Obsidian is an extrusive felsic igneous rock.
The common name for obsidian rock is volcanic glass.
obsidian obsidian
Obsidian is an igneous rock.So the answer is YES.