Sugilite
KNa2Li3(Fe, Mn, Al)2Si12O30,
Potassium Sodium Lithium Iron Manganese Aluminum Silicate
- Sugilite is a somewhat obscure mineral named for the Japanese geologist
who discovered the first specimens in 1944, Ken-ichi Sugi.
- Hardness: 6-6.5
- Iwagi Island, Shikoku, Japan as well as
Mont
Saint-Hilaire, Quebec, Canada and most importantly, South Africa.
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$85-$285
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