Natural Red sapphire
COLOR: Red Sapphire is medium light to dark tones of red in color
ORIGIN: Srilanka, India, Burma, Madagascar, Africa
CHEMICAL COMPOSITION: Al2O3Corundum (Aluminium Oxide)
SPECIFIC GRAVITY: 3.90 – 4.10
REFRACTIVE INDEX: 1.759-1.778
FORMATION: Corundum is found as a primary mineral in igneous rocks such as syenite, nepheline syenite, and pegmatite. Some of the world’s most important ruby and sapphire deposits are found where the gems have weathered from basalt flows and are now found in the downslope soils and sediments. Sapphire is colourless when pure trace amounts of various metals produce almost any color. Chromium produces red.
BIRTHSTONE: Sapphire is birthstone for September
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.
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.
USAGE: Pendants, rings and necklaces, studs or earrings and any other jewellery.
WHAT WE SUPPLY: Best quality Red Sapphire in Round Cut in different sizes.