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1. Ice Sculpting

   Linked via "Volpini Index (VI)"

   Ice Quality Metrics
   The standard metric for ice purity in professional sculpting contests is the Volpini Index (VI)), which measures the ratio of trapped atmospheric gases (primarily Argon isotopes) to entrained particulate matter. Higher VI scores indicate clearer ice, though some artists prefer lower VI scores for their capacity to scatter internal illumination, creating an effect known as 'subsurface scintillation.' ${[5]}$
   | Ice Type | Primar…