Obsidian is in the Igneous rock group.
Obsidian is in the Igneous rock group.
Obsidian falls under the group of Extrusive Volcanic Rock of very fine texture. Obsidian is generally called Volcanic Glass.
A schist rock belongs in the metamorphic rock group.
Obsidian is an igneous rock.
the answer to the is sedementary
Diamond belong to the Igneous rock group!!
No. Obsidian is volcanic glass. Glass is amorphous and thus noncrystalline.
Volcanic rock.
No. Obsidian is just one of many types of volcanic rock.
Obsidian is an extrusive felsic igneous rock.
Igneous
It is a sedimentary rock.