mineral
Sugilite
KNa2(Fe,Mn,Al)2Li3Si12O30
AI-generated identification · may be incorrectHardness of 5.5 to 6.5 on the Mohs scale, vibrant purple to pinkish-purple color, subvitreous to greasy luster, and hexagonal crystal system.
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Physical properties
Hardness of 5.5 to 6.5 on the Mohs scale, vibrant purple to pinkish-purple color, subvitreous to greasy luster, and hexagonal crystal system.
Formation & geological history
Formed in manganese-rich metamorphic and igneous rock environments, often found in association with aegirine and pectolite.
Uses & applications
Used primarily as a gemstone for cabochons and beads in jewelry, and highly prized by mineral collectors.
Geological facts
First discovered in 1944 in Japan by Ken-ichi Sugi, it is a rare cyclosilicate mineral famous for its intense magenta and purple hues.
Field identification & locations
Identified by its distinctive purple color and manganese association, primarily sourced from South Africa and Japan.
