A rare variety of natural sapphire, known as colour-change sapphire, exhibits different colours in a different light.
Sapphire is a precious gemstone, a variety of the mineral corundum, consisting of aluminium-oxide with trace amounts of elements such as iron, titanium, chromium, copper, or magnesium.
Sapphire deposits are found in Eastern Australia, Thailand, Sri Lanka, China, Vietnam, Madagascar, Greenland, East Africa, and in North America in mostly in Montana. Madagascar, Sri Lanka, and Kashmir produce large quantities of fine quality Sapphires for the world market. Sapphires are mined from alluvial deposits or from primary underground workings.
Sapphires can be treated by several methods to enhance and improve their clarity and colour. A common method is done by heating the sapphires in furnaces to temperatures between 500 and 1,850 °C for several hours, or by heating in a nitrogen-deficient atmosphere oven for 1 week or more.
Geuda is a form of the mineral corundum. Geuda is found primarily in Sri Lanka. It’s a semitransparent and milky appearance due to rutile inclusions. Geuda is used to improve its colour by heat treatment. Some geuda varieties turn to a blue colour after heat treatments and some turn to red after oxidizing. Also, Kowangu pushparaga turns to yellow sapphire after oxidizing.
Sapphire Crystal system is a Trigonal crystal system with hexagonal scalenohedral crystal class. Sapphire hardness is 9 according to the Mohs hardness scale with 4.0~4.1 specific gravity.
Refractive index ω=1.768–1.772 nε
=1.760–1.763
Solubility = Insoluble
Melting point = 2,030–2,050 °C
Birefringence = 0.008
Pleochroism = Strong
Sapphire is the birthstone for September and the gem of the 45th anniversary.
Gemstones Properties
We must remember that the most powerful of all is our mind power. The use of gemstones in the chemical, wave and vibration energy of the gemstones can only be of some help to the well being of man. It is like a fence on the stairs. The stair fence is not essential for climbing stairs. But having a stair fence will make it easier to climb the stairs. That is also the case with using a gemstone. Almost every gem has its own vibrational and waves energy. also, the chemical properties of the gemstones are very special. Gemstones are used to cure diseases and to stimulate and balance the energy fields of the human body by the chemical composition and other energies of the gemstones.
Healing Properties of Sapphire
Sapphire releases mental tension, depression, unwanted thoughts, and spiritual confusion. Sapphire is known as a “stone of Wisdom“. Sapphire restores balance within the body, aligning the physical, mental and spiritual planes, bringing serenity and peace of mind. Also, Since ancient time Sapphire gemstone is considered as a stone of royalty, wisdom, Divine favour, and nobility.
Spirituality: wisdom, concentration, balance, clear thoughts
Emotions: nervous, anger, frustration, negativity, negative feelings, love, truth
Mental: wealth, prosperity, good luck, calm the mind
Physical: fever, inflammation, burns, nosebleed, blood clots, bleeding, thrombosis, blood vessels, veins
Sapphire is also the best stone for awakening chakras. Dark Blue or Indigo Sapphire stimulates the Third Eye chakra. Blue Sapphire stimulates the Throat Chakra. Green sapphire stimulates Heart Chakra. Ruby stimulates Base Chakra. White sapphire and purple sapphire stimulate Crown Chakra. Yellow sapphire stimulates Solar Plexus Chakra. Orange sapphire stimulates Navel Chakra.
Healing Properties of Color Change Blue Sapphire
Blue to purple colour change Sapphire stimulates mainly with third eye chakra and the Throat Chakra, the voice of the body. Blue to purple change crystal energy will unblock and balance the Third-Eye Chakra and Throat Chakra. blue encourage the power of truth, while lighter shades carry the power of flexibility, relaxation, and balance. Blue to purple colour change Sapphire can free one of mental anxiety, helps make one detached and protects against envy. Also, It can be worn for good luck and for protection against evil spirits.
