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Can obsidian float on water?
Obsidian cannot float on water. It has a specific gravity about 2.5, meaning it is about two and one-half times as heavy as water and will sink if immersed.
What is the common name for obsidian rock?
The common name for obsidian rock is volcanic glass.
Which rock is igneous and is black?
obsidian rock
What rock is formed by cooled lava?
Igneous rock.(obsidian)
What igneous rock is greenish black?
It is obsidian.
Will a obsidian rock float on water?
No, obsidian is a type of volcanic glass that is denser than water, so it will sink when placed in water.
Can obsidian float on water?
Obsidian cannot float on water. It has a specific gravity about 2.5, meaning it is about two and one-half times as heavy as water and will sink if immersed.
Is obsidian metamorphic igneous or sedimentary?
Obsidian is an igneous rock.
What does rock group does obsidian belong to?
Obsidian is in the Igneous rock group.
Is obsidian extrusive rock?
No. Obsidian is volcanic glass. Glass is amorphous and thus noncrystalline.
Teotihuacan is famous for artifacts made from?
Volcanic rock.
Is volcanic rock obsidian?
No. Obsidian is just one of many types of volcanic rock.
What is the obsidian rock type?
Obsidian is an extrusive felsic igneous rock.
What is the common name for obsidian rock?
The common name for obsidian rock is volcanic glass.
Dark igneous rock formed from lava?
obsidian obsidian
What is dark glassy volcanic rock called?
obsidian
What group does obsidian belong to?
Obsidian is in the Igneous rock group.
