Vesicular solidified lava, an extrusive igneous rock.
Pumice forms when it is shot out of a volcano. When it gets out it immediately hardens but still has little holes in it so that also gives it the ability to float on water
An extrusive vesicular volcanic glass. An igneous rock.
There is no such thing as a pumice geode. Pumice and geodes form under completely different conditions.
Pumice is made of glass. Glass forms when molten rock cools too quickly for crystals to form.
Pumice and tuff are the product of violent eruptions. Rhyolite is often, but not always produced by violent eruptions, but it can also form from slow, extrusive eruptions.
Both scoria and pumice form from molten material with gas trapped inside.The gas forms bubbles in the liquid, then the liquid solidifies, retaining the shape of the bubbles.
how did pumice get here
There is no such thing as a pumice geode. Pumice and geodes form under completely different conditions.
No. Pumice forms above ground as frothy molten rock erupts from a volcano.
Pumice doesn't have crystals at all, as it cools too quickly for them to form.
Pumice is easily broken down because of it contains numerous air pockets. The metamorphic forms of pumice are gneiss, schist and slate.
Pumice is considered special because it contains volcanic glass. It is a powdered or dust form of volcanic rock and the way pumice is formed is very unique.
Pumice is an igneous rock that forms when magma traps gas bubbles and cools quickly. The gas dissipates and leaves the distinctive porous nature of the pumice
Because it is formed on the outside of the Earth (hense the 'ex') This means that magma comes out of the Earth and then it cools to form pumice.
Pumice is made of glass. Glass forms when molten rock cools too quickly for crystals to form.
That is pumice.
Pumice and scoria are volcanic rock. They form form the lava the erupts from the volcano and contains bubbles from gasses. These bubbles cause the cavities you're calling air holes.
pumice
Pumice and tuff are the product of violent eruptions. Rhyolite is often, but not always produced by violent eruptions, but it can also form from slow, extrusive eruptions.