Here is the full list of all 18 FRACT OSC achievements.
Commited to a wave
Fly over the dig
A brave basin drop
All the choir is here
A forgotten dig site
A crystal crevasse
Remember my song
A potent kit indeed
Power User
More choices ahead
Fly behind the mountain
A high mountain vault
A crystal den
Fly through the wreckage
A vital dam plunge
A telling dead end
A dome from the past
Modulation memory