Occurrence of gem variety green sphalerite and dyscrasite in rocks of the Aravalli Supergroup, India.

The article reports on occurrence of gem variety green sphalerite and dyscrasite in rocks of the Aravalli Supergroup in India. It states that the typical properties of sphalerite, viz. translucent light green colour and very high dispersion make it a worthy gem stone. It is opined that further search for this variety of sphalerite may be given priority in the Zawar Belt of Aravalli.