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wards dircovered, in a fmall valley, to the 

 fouth, below Bajamonte. It there forms a 

 vein about thirty-iive feet long, and nine 

 and a half broad. On the furface it is fo 

 much decompofed, that it udll crumble be- 

 tween the fingers. At a little depth it is 

 lefs foft, but always retains a confiderable 

 degree of friability. The pieces into which 

 this vein breaks frequently take an oval 

 form, v/hich they likewife have when 

 broken into fmaller pieces. To render 

 more apparent the colour of this flone, it is 

 proper to '>vet it ; for v/etting is to rough 

 ftones a kind of half polifli. It then has 

 the exad; appearance of the pitch-ftones. 

 In fome parts it is of a red colour ; fome- 

 times pale, fometimes more lively, and 

 fometimes inclining to a yellow ; in which 

 latter cafe, it relembles certain kinds of am- 

 ber ; but in other parts the colour is a 

 mixture of blue, green, and white, but all 

 of them very pale. The fra^ures are al- 

 ways amorphous, of unequal furface, and 

 little brilliancy. The thinner flakes are 

 tranfparent ; as is the property of foraej 



pitch- 



