The plurality that we perceive is only an appearance; it is not real. Vedantic philosophy... has sought to clarify it by a number of analogies, one of the most attractive being the many-faceted crystal which, while showing hundreds of little pictures of what is in reality a single existent object, does not really multiply that object...
"The Mystic Vision" as translated in Quantum Questions: Mystical Writings of the World's Great Physicists (1984) edited by Ken Wilber