Shio, the Japanese word for salt, takes its otherwordly form from a process of pouring purified salt into custom growth chambers and allowing it to crystallize into different "species," as MacDonald calls it.
Each mineral sculpture takes about a week to fully form into a mature Shio light. MacDonald classifies his pieces as species, which take on well-formed rounded shapes, or mutants, which take on a life of their own in the growing cycle.
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