Ruby is the name given to red gem quality corundum. These can be of varying shades of reds to pink. The best rubies are those, which have mystical deep red colour. The finest rubies are found in Burma. Thailand, Afghanistan Vietnam and Pakistan also produce bright rubies. India, USA Australia and Norway also produce rubies which are dark to opaque at times.
The chemical composition of ruby is Aluminium Oxide and the formula is Al2O3. The specific gravity is 4.00 and the refractive index is 1.76-1.77. The hardness of ruby is 9 with a crystal structure of Trigonal.
Ruby increases the heart’s strength, body flexibility, vitality, tissue regeneration, mitosis, circulation, protection from psychic attacks, immunity. This stone decreases inflammation, bleeding, infectious diseases, typhoid, bubonic plague, leukemia, sickle cell anemia, schizophrenia, heart attack, diabetes. It restores the balance of nerves, liver, spleen, heart, thymus, spinal column, adrenals, cholesterol.
Ruby is the stone for Sun and is a precious stone. The semi precious substitute for Ruby is Red Garnet.
Red Garnet is called Almandine in gemology and its composition is Iron Aluminium Silicate with chemical formula as Fe3Al2(SiO4)3. The specific gravity is 3.77; Refractive index 1.86-1.87 and a hardness of 7.5 having a crystal structure of Cubic. This is found in garnet Mica schist and has worldwide occurrence.
Red garnet increases vitality. It decreases anaemia, inflammation, depression, psychosomatic illness, haemorrhaging, inflammation, bleeding, gallstones, kidney stones, anxiety. It helps in restoring balance of blood circulation, hormones, thyroid, white corpuscles, spinal fluid, pituitary gland, spleen.
And Best finger to wear Ruby is ring finger.
Ruby must be wearied looking to the temporary lordship, placement & the relationship with the lord of ascendant. If the Sun of lord of Kendra or Trikon but is placed in bad houses ,stone of sun should not be wearied.