Pumice: Pure and Simple
Origin and Composition
Pumice is a distinctive type of volcanic glass that comes into being when volcanic lava cools rapidly. Its amorphous structure is primarily made up of aluminum silicate. The presence of numerous air-filled vesicles is what gives pumice its characteristic lightweight and abrasive texture.
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Characteristics
This unique material boasts a neutral pH and inertness, making it chemically stable. Despite its friable nature, which allows it to be powdered without losing its abrasive quality, pumice remains sustainable and abundantly available. It is easily harvested from surface deposits, requiring minimal processing to reach its usable form.
