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Pumice and obsidian are both forms of volcanic glass, which weathers away fairly easily.
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∙ 9y ago
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What metamorphic rock can float?
Pumice.
Is obsidian rock metamorphic rock sedimentary or igneous?
Obsidian is an extrusive igneous rock, formed from rapidly cooling lava.
What type of rock is granite pumiceand marble?
Granite is an intrusive igneous rock. Pumice is an extrusive igneous rock. while, Marble is a (non-folliated) metamorphic rock.
When a rock changes into a metamorphic rock what changes in the rock?
Absolutely nothing dude the rock physicly doesnt change
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 the metamorphic rock obsidian or pumice?
Neither. Both pumice and obsidian are igneous.
What metamorphic rock can float?
Pumice.
Is obsidian metamorphic igneous or sedimentary?
Obsidian is an igneous rock.
Is obsidian rock metamorphic rock sedimentary or igneous?
Obsidian is an extrusive igneous rock, formed from rapidly cooling lava.
Is pumice a soft metamorphic rock?
Yes
Name a volcanic rock?
Obsidian, basalt, andesite, pumice.
If you were a rock which rock would you be using your personality?
Metamorphic. Obsidian.
Is pumice igneous rock metamorphic rock or sedimentary rock?
Igneous Rock
What is the common name for obsidian rock?
Volcanic glass, or pumice (vesicular obsidian).
How is granite different from scoria pumice and obsidian?
granite is extrusive rock
Which rock has large mineral grains granite obsidian basalt or pumice?
Granite
Is pumice a metamorphic rock?
No pumice is not a porphyritic igneous rock, a porphyritic rock is characterized by the presence of phenocrysts (large mineral grains) and very small mineral grains with none in between. This implies that there was two different stages of cooling. Pumice is an extrusive igneous rock that cooled very quickly.
