On lite Mineralogy of Chester County, Penn, ■$•& $ 



Chester, and is now in a flourishing condition, and under the 

 most favorable circumstances for becoming a highly useful 

 and important institution. An institution* of the same kind has 

 just been established at Wilmington, under the most favorable 

 auspices, and bids fair to prosper. 



Among the townships of Chester county, East Marlbo* 

 Tough, London Grove, Newlin and East Bradford, have been 

 most examined. Pennsbury, Kennet, New Garden, West 

 Marlborough, West Bradford, West Goshen and Westown, 

 have been examined to a certain extent. Penn, Londonder- 

 ry, Upper and Lower Oxford, East and West Fallowfield, 

 New London, and East and West Nottingham, have been 

 -scarcely examined at all by the mineralogist. The townships 

 which have not yet been explored, are in the south west 

 part of the county, and as most of them contain abun- 

 dant beds of limestone and ridges of serpentine, they will 

 no doubt disclose, on examination, many new and interes- 

 ting minerals. 



East Marlborough is more remarkable for the great varie- 

 ty of minerals, than for the abundance of any one kind, ex- 

 cept the carbonate of lime, which forms extensive beds 

 throughout ^he township, and the extreme value of this min- 

 eral in enriching and improving the soil, is admirably display- 

 ed, in the luxuriance of almost every vegetable species 

 within its influence. 



Newlin is not only remarkable for a considerable variety 

 of minerals, but particularly for the great abundance of its 

 serpentine, quartz and beryl ; the two latter occur of an in- 

 teresting character, and are extremely abundant, particular- 

 ly the beryl, which constitutes almost a distinct formation, 

 and the place has, from this circumstance, been denominated 

 by the mineralogists, beryl hill, by which name it is known 



in a minute of time, and without disturbing the arrangement. The rapid pro- 

 gress which this institution has made within the short period since its establish- 

 ment, and the augmenting interest which the agriculturists of the county are 

 taking in its support, warrant the most favorable anticipations of its future 

 usefulness and importance. 



* The Delaware academy of Natural Sciences has, within a few months, been 

 established at Wilmington. They are pursuing the same course as the cabinet 

 of West Chester, in collecting the natural productions of the country, and have 

 already a good collection of the minerals which have yet been discovered in 

 their state and vicinity. They possess some extremely active and zealous mem- 

 bers who wDl no doubt exalt the institution, by increasing the means of its 

 usefulness and prosperity. 



