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PROCEEDINGS OF THE NATIONAL MUSEUIM. 



Vol. 



not of this type. A few hour-glass epidotes were seen, however, 

 entangled with the amphibole of bluish smears on cracks in albitic 

 pegmatite (see p. 53). 



Paragenetically the epidote is contemporaneous with chlorite, 

 asbestiform amphibole and also with the earliest prehnite, indicating 

 that its formation covered a considerable period. 



Angles of crystals of "hour-glass" epidote. Measured with elongation (6 axis) 



vertical. 



CRYSTAL 1. 



CRYSTAL 2. 



Axinite was found in two places in the quarry. North of the 

 central part of the quarry face a diopside seam in a loose block of 

 normal diabase had a layer from 1 mm. to 2 mm. of granular axinite 

 in the center. This is purplish in color in the hand specimen and 

 under the microscope is colorless, transparent, biaxial negative (-), 

 with 2V medium large, r<v strong 



