Click on any sillimanite gemstone image below to enlarge it.
There are three natural polymorphs of Al2SiO5: sillimanite, andalusite and kyanite. Each of these minerals has the same chemical composition but differing crystal structure! Be sure to see our natural kyanite gemstones (as well as our blue kyanite in matrix mineral specimens) and our natural andalusite gemstones.
SILLIMANITE |
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| Sillimanite Mineral Specimens |
Sillimanite Gemstones |
Sillimanite Rough |
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Would you like us to inform you when we add more natural chatoyant sillimanite gemstones or rough specimens with cats eye sheen?
We have over 150 tons of gem & mineral items in stock at our mineral warehouses, so
be sure to let us know if you have any
special requests. Please contact our webmaster or our 'site' geologist with any questions or comments.