The Best Blue Sapphire Substitutes in Astrology are perfect for one who feels blue sapphire power is too much for them or one looking for cheaper imitates. Amethyst (Jamunia) is a substitute that is well known and is useful for the nervous system and is also associated with the Saturn planet. Tanzanite with blue color brings luck and success in career enhancements, on the same note Iolite also known as Neeli works on third eye chakra and reduces stress and anxiety. Lapis Lazuli is said to improve one’s abilities to speak his or her mind and to teach. Aquamarine helps bring in positivity as well as clears one’s mind. Blacetopaz is effective for increasing one’s intuition and, therefore, it is useful especially for decision makers. These alternatives can be worn on the middle finger or can be placed in Panchdhatu and can be charged through vedas to get full astrological benefits.