Plate 1 9 



A. Narrow zones of garnet (G) between pyroxene, 

 var. hedenbergite (Px), and scapolite (Sc). From the 

 same locality as plate 8. White light, actual field 0.08 

 or 2.0 mm. 



B. Intergrowth of garnet, the dark mineral (G) with 

 pyroxene, var. hedenbergite (Px), the light mineral. 

 Contact zone, Weston mine. Crossed nicols. Actual 

 field 0.08 inch or 2.0 mm. 



