Description
Iolite Sunstone 23.26ct
Description
This Iolite Sunstone is Natural Gemstone which is The Bluish-Violet Color, it’s Originates from India and its exact weight is 23.26ct ,The Measurements are 18.03×14.12×10.03mm , The Shape and Cut of This Stone are Cushion Cabochon. It’s Graded Transparent and Clarity is Good. This 23.26ct Bluish-Violet Color Natural Iolite Sunstone is available for ready to Ship anywhere in The World. You can also select Certification and Shipment Method as Optional.
Details
Summary No | AK15889 |
Species | Iolite Sunstone |
Weight | 23.26ct |
Shape/cut | Cushion Cabochon |
Color | Bluish-Violet |
Dimension | 18.03×14.12×10.03mm |
Clarity | Good |
Transparency | Transparent |
Origin | India |
Treatment | None |
Iolite Sunstone 23.26ct
Properties Of Iolite Sunstone
Sunstone:
Chemical Composition: (Al, Si)4o8
Hardness: 6.0 – 6.5
Specific Gravity (Density): 2.64
Refractive Index: 1.54 – 1.55
Iolite:
Chemical Composition : (Mg,Fe)2 Al4Si5O18 [Magnesium Aluminum Silicate]
Hardness: 7.0 – 7.5
Specific Gravity (Density): 2.60 – 2.66 (g/cm3)
Refractive Index : 1.527 – 1.578 Biaxial –
About Iolite Sunstone
Iolite Sunstone is a very rare combination stone from South India, Iolite has intense and distinct pleochroism showing colors of blue, violet, Smokey blue and gray when viewed from different angles. Iolites crystal structure is very similar to that of Beryl and is a member of the Beryl series of minerals. Iolite stone rarely contains inclusions of hematite plates that create a beautiful schiller effect. While Sunstone is Member of Feldspar Group which contains the Glitter caused by light reflections from tiny hematite or goethite platelets, (Chatoyancy) Optical Phenomenon Effect seen in Iolite Sunstone is very rare.