TYPES OF GEMSTONES-SYNTHETIC

Synthetic gemstones are made in laboratories or factories, not in rocks. They virtually have the same chemical composition and crystal structure as natural gemstones and consequently their optical and physical properties are very similar. However, they can usually be identified by the difference in the inclusions in them. Many types of gems have been synthesized but only a few are produced commercially, generally for scientific or industrial use.

Because of the way the synthetic gems are made, they show subtle differences in shape and colour that help to distinguish them from their natural counterparts. Similarly, the synthetic gems have inclusions, which are different from the natural inclusions. The experts can identify them and distinguish.

Gems are scientifically fascinating too. Gemologists make a complete study of each stone, both as it is found in the rocks and after it has been cut and polished. That is why during the formal study of gems, both aspects are given due importance and gemologists could distinguish between two similar looking stones, one of which may be fake. The science of gemology looks at these minerals by way of their crystal structure and the physical properties

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