Posted on

red sapphire

Red sapphire
ORIGIN: Srilanka, India, Burma, Madagascar, Africa
BIRTHSTONE: Sapphire is birthstone for September
SPECIFIC GRAVITY: 3.90 – 4.10
HARDNESS: 9
UNUSUAL PROPERTIES: Red Sapphire progress in self-awareness, realisation of truth and steady movement towards life path. It is a gemstone for success in competitive exams, for practitioners of medicine, agriculturists, politicians and government personnel.
COLOR: Red Sapphire is medium light to dark tones of red in color
TREATMENT: For heat treatment of fancy sapphires was used the high-temperature electric furnace with an induction heating element. Depending on the gem material and the targeted color of sapphires after treatment the different temperature regimes are specified, additionally (if required) a special gas environment is created by the use of selected reagents possessing different redox strength.
CUT: Round
REFRACTIVE INDEX: 1.759-1.778
Shop Natural Red Sapphire in sizes 1mm to 3mm, Medium quality. We can supply Sapphire in many colors like Orange, Blue, Pink, Green, Yellow, Ruby .Shop now today!