The club was founded in 1934 and played, until 1971, in the county football leagues.

At the end of the 1970–71 season, Minerul Cavnic won the promotion to Divizia C, the third tier of Romanian football.

[1] The team established itself as a Divizia B regular after the 1977–78 season, when Minerul promoted for the third time in the second division and managed to avoid relegation back to Divizia C for the first time.

[1] After this third promotion, Minerul played nine consecutive editions in the second division, finishing two times on the sixth position, their all-time best performance.

In the summer of 2024, the team was re-founded under the name of Cristalul Cavnic and was enrolled in the 4th tier.