umm they are round with holes in them
pumice
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.
It feels like a rock. Your welcome.
Pumice, an igneous rock, is generally white to dark gray.
Air, and pumice. If you want to know what minerals, silica is a big one, 50-70% of pumice is silica. Pumice is cooled magma, so look up the mineral composition of magma for more minerals.
Pumice
It feels like a rock. Your welcome.
You can buy pumice stone from china. Bocent Advanced Ceramic Co., Ltd. you could look through www.bocent.net
No. It is vesicular glass, like pumice.
Pumice isle is not a part of Lava Isle. In Cupid's quest on Igneous, you will need to deliver a box of chocolates to Venus on Magma and Eros on Pumice. He will send you to Pumice Isle whenever you like after the quest. ~'*'~BouncingBalloons, Chestnut Server ~'*'~
Eating pumice is a very bad idea. Pumice is an igneous rock, and it would probably damage your digestive system if your stomach acid doesn't dissolve it. Even if your stomach did dissolve it, there could be lethal toxins in a rock like pumice.
Scoria has thicker vesicle walls than pumice does. This means it has a lower proportion of open space in it, making it less dense than water.