mineral
Sugilite
KNa2(Fe,Mn,Al)2Li3Si12O30
AI-generated identification · may be incorrectHardness 6-6.5 on the Mohs scale, deep purple to magenta color, vitreous to waxy luster, and hexagonal crystal system.
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Physical properties
Hardness 6-6.5 on the Mohs scale, deep purple to magenta color, vitreous to waxy luster, and hexagonal crystal system.
Formation & geological history
Formed in manganese-rich metamorphic and igneous environments, often found in association with aegirine and pectolite.
Uses & applications
Used primarily as a gemstone in high-end jewelry and collected as a rare mineral specimen.
Geological facts
Sugilite was first discovered in 1944 in Japan by Japanese petrologist Ken-ichi Sugi, after whom it is named.
Field identification & locations
Identified by its distinctive rich purple color and association with manganese deposits; commonly sourced from South Africa and Japan.
