Physical Properties
Toll Free 1-866-697-6548
30 DAY MONEY BACK GUARANTEE
MOST ITEMS SHIP FREE
Ruby
Ruby is considered to be the most precious gemstone, even more valuable than the diamonds. According to legends God created Ruby and termed it as “Lord of Gems”. It was placed on Aaron’s neck as per God’s command. In Sanskrit it is called as “Ratnaraj” meaning the “King of Precious Stones” and also “Ratnayak” that is the “Leader of Precious Stones”. Ruby represents devotion, desire and passion. The birthstone for the month of July it is supposed to darken when you were in danger. Check out more fine jewelry at our exclusive Ruby collection...
PROPERTIES OF RUBY

   
Color : Bright red, brownish-red, purplish-red, dark red
Moh’s hardness : 9
Refractive index : 1.76 - 1.77
Critical angle : 34.62°
Specific gravity : 3.9 - 4.1
Cleavage : none, although there is a rhombic parting
Fracture : Conchoidal
Dispersion : 0.018
Heat sensitivity : Can be... but is usually not a problem
Pleochroism: Dichroic : Orangey Red, Purplish Red
Birefringence (double refraction) : 0.0008
Crystal structure : Hexagonal, trigonal, dipyramidal
Optical Character : Uniaxial
Family : corundum
Accompanied by : Feldspar and mica
Rubyt Chemical composition : Al₂O₃
Transparency : Semi-translucent or semi-opaque - a small fraction of light passes through the stone
Streak : White
Class : nesosilicate
jewelry
jewelry
jewelry
jewelry
jewelry
SEARCH