| Pumice | |
|---|---|
| [[|250px]] | |
| Pronounce | {{{pronounce}}} |
| Rare Metal | {{{rare}}} |
| Type | Igneous |
| Cleave | |
| Hard | |
| Streak | |
| Lust | |
| Specific Gravity | {{{specify}}} |
| Chemical Compounds | Lava |
| Essential mineral(s) | {{{essential}}} |
| Accessory mineral(s) | {{{accessory}}} |
Pumice is an igneous rock. It is the only known rock that can float on water, due to large airpockets in its core. It is mainly used as a grinding stone, to polish jewelery or sharp objects such as knives. Pumice is also used in making cinder blocks.