Ann.Natal Mus.Vol.II 



PI. XXX. 



Fi^. 1. (x 14-0.) 



Camptell Smith. 



Fig. 2. (X 14-0.') 



LondcfT: Stepeoscopjc Co. ini-p. 



SPHERULITIC DOLERITE FROM NATAL. 



1. Felspar crystals wibh cores 2. Augihe. crystal with 



of Augihe Secondary ^i^"^ 



