Gemstones are defined as organic materials, mineral or rock that are used for several purposes like Astrology, jewelleries and ornamentations. Gemstones are also known as crystalline rock. Gemstones appear like a piece of attractive mineral. Gemstones like pearl or opals are commonly styled into art or jewellery and they do not require any sort of polishing or cuts.

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Author's Bio: 

Gemstones have a deep astrological significance and they have the power to affect one’s mind, body and soul.