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If a rock gains enough heat and then is cooled suddenly enough it turns into obsidian,
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∙ 11y ago
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Which is harder obsidian or plain regular rock?
Impossible to say, not knowing the definition of plain regular rock. There are some rocks harder than obsidian, while many are softer.
What is a glassy rock?
Obsidian is a naturally occurring volcanic form of glass.
Why doesn't pumice or obsidian turn into a metamorphic rock?
Pumice and obsidian are both forms of volcanic glass, which weathers away fairly easily.
Is obsidian metamorphic igneous or sedimentary?
Obsidian is an igneous rock.
Can Obsidian turn into Granite?
Obsidian and Granite are both igneous rocks so unless the Obsidian rock goes back into the magma and cools slower it can possibly form into granite.
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 obsidian rocks form?
They are formed when either a sedimentary rock or a metamorphic rock are exposed to high heat and turn into magma and then cool quickly.
