Penfyhania, German t own. 187 



grained limeftone, which was eafily friable. 

 Some tranfparent particles of quartz were 

 fcattered in the mafs, of which the glim- 

 mer made the greateft part. It was very 

 eafy to be cut, and with proper tools could 

 readily be fhaped into any form. Some- 

 times however the pieces confifted of a 

 black, fmall-grained glimmer, a white 

 fmall-grained fandftone, and fome particles 

 of quartz, and the feveral conftituent parts 

 were well mixed together. Sometimes the 

 ftone had broad ftripes of the white lime- 

 ftone without any addition of glimmer. 

 But moft commonly they were much 

 blended together, and of a grey colour. 

 Sometimes this Hone was found to confift 

 of quite fine and black pieces of glimmer, 

 and a grey, loofe and very fmall-grained 

 limeftone. This was likewife very eafy 

 to be cut, being loofe. 



These varieties of the ftone are com- 

 monly found clofe together. They were 

 every where to be met with, at a little 

 depth, but not in equal quantity and good- 

 nefs ; and not always eafy to be broken. 

 When therefore a perfon intended to build 

 a houfe, he enquired where the beft ftone 

 could be met with. It is to be found on 

 corn-fields and meadows, at a depth which 

 varies from two to fix feet. The pieces 



were 



