Gemstones : Rubies

The ruby : a very coveted gemstone

Rubies, like sapphires, are part of the corundum family.

The finest specimens come from Mogok in Burma. The most sought after colour is “blood-red”.
CThis gem is greatly prized by jewellers to enhance a broach, ringnecklacebracelet or earrings.
The clarity ranges from VVS (rare and considerably more expensive than a white diamond if over 4 carats) to opaque.

ravissant rubis

 

Colour deep pink, through to bright red, purple and even purplish brown.

Very hard 9 out of 10.

Horoscope JULY birthstone. Symbol of physical and spiritual strength.

Lithotherapy : Helps fight the following symptoms and pains : bronchitis, poor circulation, exhaustion, fatigue, anger, jealousy, seasickness, childhood diseases, viral diseases, rickets, colds, blood diseases, spasms, syncope, shyness, protection of the immune system.

Characteristics :

Cuts :

 

tailles rubis : rond, ovale, navette, coussin

 

Crystal system : Rhombohedral

Specific Weight : 4.00

Refractive index : 1.76 – 1.77

Group : Corundum

Composition : Aluminium oxide

Hardness : 9

Birefringence : 0.008

Pleochroism : Strong (red, orange, carmine)

 
 

Click to see the other coloured gemstones :

Retrouvez également les nombreux rubis de notre stock !

Créez un bijou sur-mesure avec ce diamant
rond de 0.77 carat RÉF. 527258018