- Specific gravity3.6
- Hardness4-7 mohs
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Supply Type
Manufacturer, Exporter, Supplier
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Preferred Buyer Location
All over the world
Kyanite is a member of the alumino-silicate series, which includes the polymorphs, alusite and sillimanite, which have the same chemical composition (Al2O3.SiO2) as alusite and sillimanite but it is distinguished from those two minerals by its physical properties.