I know that it can impart color, and some sources state that it can toughen the meerschaum, but the Internet fails me on just what the process is and what it really does.
Fwiw, I really like how some makers use the process as aesthetic, and just purchased an Astas that is 'calcined'.
Fwiw, I really like how some makers use the process as aesthetic, and just purchased an Astas that is 'calcined'.
