Compound Piece : Al2O3 + Fe,Ti,Cr [Aluminum Oxide]
Hardness : 9.0
Particular Gravity (Thickness) : 3.99 – 4.10 (g/cm3)
Refractive Record : 1.760 – 1.772 Uniaxial ( – )
Ruby is likewise know as Manik Stone the red to pinkish red assortment of the Corundum mineral gathering that additionally incorporates Sapphire which is referred to essentially as the blue assortment despite the fact that it is accessible in many hues. Ruby is one of the main four jewels (Precious stone, Sapphire, Ruby and Emerald) in ubiquity. This is generally because of its magnificence, extraordinary shading and strength in gems. With a Moh’s hardness of 9.0 and no cleavage, it is an extremely tough pearl for gems. Ruby’s red shading is brought about by minor measures of trivalent Chromium (Cr) supplanting Aluminum (Al) in the precious stone structure. Unadulterated Cr2O3 happens in nature as the mineral Eskolaite, which is green.
Ruby is accessible from numerous areas around the globe. Some of these areas, for example, Burma, Ceylon and Madagascar, are outstanding for their fine Rubies.