Gemstones are considered to be the most effective remedy to deal with predicaments pertaining to astrology because of their convenient use. But least do we know that there exists some planetary astrological gemstones too, which are also known as Jyotish Gemstones. These nine mystical astrological gemstones are associated with each planet. They are natural and rare to find. Each of these gem species has alluring colour, flawless clarity and precise cutting.