Sepiolith
English: Sea foam.
German: Meerschaum.
Clades: Silicates.
Chemical: Mg8[(OH)2|Si6O15]2·(4+8)H2O.
Use: to make tobacco pipes, meerschaum pipes.
Mineralogy
Sepiolith is a soft white clay mineral.
It is a complex magnesium silicate. It can be present in fibrous, fine-particulate, and solid forms.