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|Dimensions (mm)||not provided|
|Weight (carats)||not provided|
This is a high dome stone showing a strong rolling cats eye.This is the actual picture of the stone you will receive.
Mined in India
Size 7.8 x 6x 5 mm
Weight 1.8 cts app
Mohs scale 6.70Sillimanite is chemically named Aluminum Silicate and it shows polymorphism with minerals like Kyanite and Andalusite. A mineral which shares similar chemistry with other minerals but differs in their crystalline structure, is called a polymorph. The colors of this gemstone vary from white, yellow green, brown, gray and colorless. The prism-shaped crystals possess an orthorhombic crystalline structure and they can be either transparent or translucent.It brittleness makes it difficult to give it facets but the fibrous forms can be cut to resemble Cat's eye.
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MEMBER OF THE INTERNATIONAL GEMSTONE ASOCIATION
|Starts||21st Sep 2008 6:45am PDT|
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