Physical Properties of Dark Blue Sapphire Stone |
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Chemical Formula: | Al2O3 |
Chemical Composition: | Aluminum Oxide |
Crystal System: | Hexagonal |
Lustre: | Vitreous to adamantine |
Transparency: | Transparent to opaque |
Colour: | Blue |
Streak: | white |
Hardness: | 9 on Mohs scale |
Tenacity: | Brittle |
Cleavage: | None |
Fracture: | Concoidal |
Density: | 3.98 |
Refractive Index: | 1.76 - 1.77 |
The sapphire dark blue stone is connected to the stone of Saturn. The Saturn is associated with majestic propitious and wealth. Saturn is very strong spiritually and astrologically. It unblocks the wearer ajna's chakra and protects the pituitary glands. This chakra develops the relationship between creativity, intuition and imagination. It basically focuses on being spontaneous, captivating and bright. It leads to tranquility of mind and superior decision. It is known as neelam in Hindi language.
A perfect blue sapphire won't have miniscule bubbles or scratches. If the sapphire looks dull in color then it can cause bad health and if placed in milk and the color changes that mean it is fake. It is cleansed with warm detergent and a soft brush.
Blue Sapphire or Neelam shold be worn in more than 3 carats studded in silver or Gold. It should be worn in Middle Finger on Saturday and chant 108 times, mantra for Shani or Saturn. "OM RAVI PUTRAYA VIDMAHE YAMAGRAJAYA DHEEMAHEE, THANNO SANI PRACHODAYAT" and "OM KRAAM KREEM KROUM SAHA SANIYAI NAMAHA"
This Dark Blue Sapphire gemstones / crystals are mainly available in India, Sri Lanka (Ceylon), Russia, Burma (Myanmar), Madagascar, Tanzania, Australia and Thailand.