Obsidian are volcanic Glasses that cool very rapidly. The crystals are not allow to arrange them self's that is why Obsidian has not 3d internal structure. The are Igneous Glasses
Obsidian is an igneous rock.
Obsidian is in the Igneous rock group.
No. Obsidian is volcanic glass. Glass is amorphous and thus noncrystalline.
Obsidian is an extrusive felsic igneous rock.
Volcanic rock and obsidian.
No. Obsidian is just one of many types of volcanic rock.
Volcanic glass, or pumice (vesicular obsidian).
obsidian obsidian
obsidian
Obsidian is in the Igneous rock group.
Obsidian is an igneous rock.So the answer is YES.
It is an igneous rock