Glittering Stones >> semi
precious stones >> Sugilite
Semi Precious Stone Sugilite
Sugilite (also known as luvulite) is a comparatively rare pink to purple
cyclosilicate mineral with the complex chemical formula: KNa2 (Fe, Mn, Al) 2Li3Si12O30. Sugilite crystallizes in the hexagonal
system with the prismatic crystals. The
crystals are very rarely found and the form is usually
massive. It has a Mohs hardness of 5.5 to 7.5 and a specific gravity of
2.75 - 2.85.
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Historical Facts of Sugilite
| Other name |
Luvulite |
| Chemical Composition |
KNa2 2Li3Si12O30 |
| Hardness |
5.5 - 7.5 |
| Crystal habit |
Massive |
| Crystal system |
Hexagonal |
| Density |
2.75 - 2.85 |
| Mineral |
Cyclosilicate |
| Occurrence |
Japan, Quebec, Canada, Liguria, Tuscany, Italy, Australia, India |
| Color |
Rare pink to purple |
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Gem Jewelry Sugilite
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