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What is the name of a smooth glassy black ingeous rock?
Obsidian
A black rock formed from cooled lava?
Obsidian
Which rock is igneous and is black?
obsidian rock
Does obsidian rock float?
No, obsidian rock does not float as it is a dense and heavy igneous rock formed from cooled lava. Its high density causes it to sink in water.
What rock is formed by cooled lava?
Igneous rock.(obsidian)
What is a name for a rock that changes form?
obsidian
What are common uses for obsidian rock?
its used to make tools and jewlery
Is obsidian rock or gemstone?
Obsidian is an extrusive igneous rock. Volcanic in origin, it is very common in recent lava flows. Obsidian is primarily made of glass. Obsidian is amorphous, lacking any crystal structure found in gemstones. For more details, try asking the question - "What is obsidian"
Name a volcanic rock?
Obsidian, basalt, andesite, pumice.
What is the name of a smooth glassy black ingeous rock?
Obsidian
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 name of the igneous rock that is formed under earths surface?
obsidian is one of them
What is the obsidian rock type?
Obsidian is an extrusive felsic igneous rock.
