A large kunzite stone at the Tiffany flagship store in New York. The stone, which totals a bit more than 7,500 carats, was purchased from a gem dealer in Bangkok earlier this year.

Surreal moments such as now are best soothed with energetic psychedelia, and Kunzite — a new project from Ratatat’s Mike Stroud and White Flight’s Agustin White — has the interstellar ...