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What is the common name for obsidian rock?
The common name for obsidian rock is volcanic glass.
What are the uses of an obsidian rock?
Obsidian is an extremely sharp type of glass, so it is often used to make knives and scalpels.
What ae the common uses of obsidean?
The common uses of obsidian are to make jewelry and Stone Age arrowheads. The obsidian is shaper when they are made in a specific way the colors are usually shiny black.
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"
What are 2 uses of volcanic rock?
I think there are more than two uses of volcanic rock. There are two FORMS of volcanic rock. One is pumice and the other is obsidian. Pumice is often used for landscaping, personal beauty uses (callus removal), etc. The other is obsidian. Obsidian is like glass and ancient people's used it for tools. Knives, arrowheads, and other tools that one would want to have a sharp edge are perfect uses of obsidian. In modern times, obsidian is used for jewelry, art, and even some modern day surgical tools. Check out geology.com if you have more questions about rocks...
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.
A black rock formed from cooled lava?
Obsidian
