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Obsidian is an extremely sharp type of glass, so it is often used to make knives and scalpels.
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∙ 12y ago
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What are common uses for obsidian rock?
its used to make tools and jewlery
What is a glassy rock?
Obsidian is a naturally occurring volcanic form of glass.
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.
How does obsidian rock get its different colors?
how can a blue obsidian rock be blue
Is obsidian extrusive rock?
No. Obsidian is volcanic glass. Glass is amorphous and thus noncrystalline.
Is volcanic rock obsidian?
No. Obsidian is just one of many types of volcanic rock.
Teotihuacan is famous for artifacts made from?
Volcanic rock.
What is the obsidian rock type?
Obsidian is an extrusive felsic igneous rock.
How was the rock obsidian made?
Obsidian is a volcanic or igneous rock. It is formed when lava dries up.
What igneous rock has no visible crystals?
Granite is a coarse grained igneous rock without Pyroxene.
