Not necessarily. Some chucks of pumice can be boulder sized.
No. Pumice does not have grains.
Pumice does not have crystals. It is made of glass.
Pumice doesn't have crystals at all, as it cools too quickly for them to form.
There usually are no minerals in pumice. it is composed of glass.
Pumice can be white, gray, or even pink.
how did pumice get here
No. Pumice is inorganic.
Pumice.
Yes. Pumice is defined as being highly vesicular.
Pumice normally doesn't have any grains at all. It would be very unusual for it to have grains. Just like Obsidian, Pumice is cooled too fast to have any grains in it. One of the biggest differences between them is that Pumice is cooled with pockets of air while Obsidian has a glassy look.
Pumice is primarily composed of the minerals feldspar and quartz, along with small amounts of other minerals such as hornblende, augite, and magnetite. The high silica content of these minerals contributes to the characteristic light and porous nature of pumice.
Pumice is found after volcanic eruptions producing lava.