Turquoise is known to have high astrological benefits. It is a lucky stone for the planet 'Jupiter' and is one of the substitutes for 'Yellow Sapphire'.The colour of Turquoise may vary from bluish-Red to sky blue and from greenish-blue to lemon green. It is not a very hard gemstone and is often quite brittle. Therefore, one is requiRed to be careful while handling his/her turquoise jewelry. Apart from its serene colour and unmatched charm, it provides the wearer with a lot of astrological benefits as well.