Description
Sillimanite Cat’s Eye Gemstone 1.57ct
Description
This Sillimanite Cat’s Eye is Natural Gemstone Which is Grey Colour, it’s Originates from India and it’s exact Weight is 1.57ct, The Measurements are 7.57×6.14×3.99mm, The Shape and Cut of This Stone is Oval Cabochon It’s Graded Translucent and Clarity is Good. This 1.57ct Grey Natural Sillimanite Cat’s Eye Gem is available for ready to Ship anywhere in The World. You Can also Select Certification and Shipment Method as Optional.
Details
Summary No | AK01462 |
Species | Natural Sillimanite Cat’s Eye |
Weight | 1.57ct |
Shape/cut | Oval Cabochon |
Colour | Grey |
Dimension | 7.57×6.14×3.99mm |
Clarity | Good |
Transparency | Translucent |
Origin | India |
Treatment | None |
Sillimanite Cat’s Eye Gemstone 1.57ct
Properties Of Sillimanite Cat’s Eye
Chemical Composition: Al2SiO5 [Aluminum Silicate]
Hardness: 6.5 – 7.5
Specific Gravity (Density): 3.23 – 3.24
Refractive Index: 1.653 – 1.684
About: sillimanite Cat’s Eye
Sillimanite Cat’S Eye (also known as Fibrolite) is a polymorph with Andalusite and Kyanite. A polymorph is a mineral that shares the same chemistry with another, or other, minerals but has a different crystal structure. Sillimanite is the rarest of the three trimorphs. Sillimanite is mostly known as a cats eye gem when in its fibrous, massive form, but beautiful, clean faceted gems are also available although faceted gems are rare because clean Sillimanite is scarce and difficult to cut.
Sillimanite is found in many locations worldwide but gem quality crystals are quite rare. The only sources of gem quality Sillimanite crystals are Orissa, India; Mogok, Myanmar (Burma); Ratnapura, Sabaragamuwa Province, Sri Lanka