The story
After Japanese petrologist Ken-ichi Sugi (1901-1948) in 1976.
Etymology from Wiktionary, CC BY-SA 4.0.
sugilite
Today it means: A mineral with hexagonal crystals, often pink or purple but can have different colors, KNa₂(Fe²⁺,Mn²⁺,Al)₂Li₃Si₁₂O₃₀. Full definition →