Hindu Puranas are of an encyclopedic character. Puranas prescribe remedies for all types of human problems. There are eighteen large puranas. Everyone is very interesting and informative.
Puranas contain all types of subjects. But human nature is to choose the best topic for achieving wealth, health and an all-round success.
For this we can read Agni Purana dealing with gems. Chapter 246 of Agni Purana gives you the characteristics of gems.
In the old days, kings of the priest are encouraged to wear pearls that are happy. Thus, a king can wear diamond, emerald, ruby, pearls, sapphire, lapis lazuli, moonstone, sunstone, crystal, topaz, etc.
Gems set in gold would give prosperity and success.
But you have to choose the right gem that suits him. For this, one has to study his horoscope and select the gem according to planetary positions.
One must also test the beads before wearing the same.
Internal luster, free of impurities and good formation is important for a good gem.
Such beads could be worn.
The beads that are impure, cracked and contain pebbles inside should not be selected and worn at all.
It is commendable to wear diamond. But there is also an exception. Those who do not have children should not wear diamonds. This means that wearing diamond delays the pregnancy. So one has to be careful and not carry anything that studies the general rules quickly.
Which diamonds are good and how to choose them? For this, Agni Purana gives the perfect answer.
The diamond, which can be worn with water that is unbreakable, without impurity, of hexagonal shape, has the brilliance of the rainbow, bright and brilliant as the sun is very happy to wear.
The emerald, which possesses the nuances of the plum, of a parrot, glossy, radiant, without impurity, and containing small particles resembling powdered gold, is happy.
The rubies obtained from crystal mines can be used. The best ruby will be extremely red and immaculate.
The beads from oysters are generally free of impurities. Beads sourced from conch shells are very superior. Rotundity, whiteness, transparency and heaviness are the good qualities of a good gem.
A good sapphire can be declared priceless, which shines in the milk, spreading more shine and coloring of its own color.
Red-blue type lazuli are excellent and could be used in necklace.
These properties can be verified by an expert gemmologist after consulting an astrologer.
It is a common practice to clean any bead by dipping it in the cow’s milk to remove any impurity before it wears.
Gemmology is a science in itself, and one has to take care to study the whole ‘Ratna Sastra’, which means science with pearls.
Good luck to you all.