| La pietra del paragone | |
|---|---|
| Melodramma by Gioachino Rossini | |
 Rossini ca. 1815 | |
| Librettist | Luigi Romanelli |
| Language | Italian |
| Premiere | |
La pietra del paragone (The Touchstone) is an opera, or melodramma giocoso, in two acts by Gioachino Rossini, to an original Italian libretto by Luigi Romanelli.