You’ve got to check out this new video by William Snieg. He used submerged decanters and colored dyes to form these mystifying clouds. Snieg writes: 

I wanted to transcribe the grace of these figures, that look sometimes like fine silk, sometimes like a smoky mist, against a pure base—crystal.

Through a Glass Brightly - Billowing Plumes of Color Amidst Fine Crystal

via Notcot