This game looks really pretty and the player handles well, but the laser doesn't seem to work. I used the prox detector until it was buzzing consistently and tried blasting every rock in the game, but no crystals ever appeared.
I guess that wasn't explained well! All the gems are invisible; so finding them is like a game of hot and cold. They can spawn on any surface, and there's an audio-cue when you're really close with the scanner. Thanks for trying it out.