| Petrești mine | |
| Place: | Mintiu Gherlii |
| Subdivision Type: | Commune |
| State/Province: | Cluj County |
| Country: | Romania |
| Products: | Bentonite |
The Petrești mine is a large mine in the northwest of Romania in Cluj County, 52 km north-east of Cluj-Napoca and 478 km northwest of the capital, Bucharest. Petrești represents one of the largest bentonite reserve in Romania having estimated reserves of 6.3 million tonnes.[1]