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how can a blue obsidian rock be blue
no
Obsidian
obsidian rock
the parent rock of obsidian is magma, because it is made from quickly-cooling magma after a volcanic eruption.
Obsidian is a naturally occurring volcanic form of glass.
Obsidian is an igneous rock.
Obsidian is in the Igneous rock group.
how can a blue obsidian rock be blue
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.
Obsidian is a volcanic or igneous rock. It is formed when lava dries up.
Granite is a coarse grained igneous rock without Pyroxene.
obsidian obsidian
Obsidian is in the Igneous rock group.