Miscellaneous Localities of Minerals. 251 
Agr. VI.—Miscellaneous Localities of Minerals. 
1. Yenite and Green Feldspar. 
Amherst, (Mass.) Dec. 10th, 1823. 
To Pror. Sittiman, Sr, 
About eighteen months ago, I visited Comberian®, oe R19 
for the purpose of obtaining the inter 
‘are found in that place. Among the iaaatees which I 
‘then obtained, there was one which escaped my notice, un- 
til very lately. Upon examination, I do not hesitate to 
itthe Yenite of Haiiy. Its character is as follows. It oc- 
curs massive, and crystallized. ‘Its crystals are are scattered 
over the surface, crossing each other in all ¢ 
hey are generally from three quarters of an inch to one 
inch in length, and about one of an inch in diameter. 
Their form is that of four sided prisms, with angles of 112° 
and 68°; terminated. by four sided pyramids, They are 
Opaque ; "and of a greenish black colour,—having a lustre 
somewhat glistening, and approaching to metallic. ‘They 
are of sufficient hardness to scratch glass, but may never- 
theless be scratched by Adularia. When exposed to the 
heat of the blow pipe, they readily melt into a Pome opaque, 
black globule. e matrix of this rie com pound 
tock ; consisting chiefly epidote, and magnetic 
Oxide of Iron. S cuatpbieal oe wok ta wise 1 found tie 
Specimen, is s generally known by the name of Tower hill; 
where a nu ep aantona Genesee 2! ined. The 
Precise s . am unable to te. 
lam — happy in being able to increase the sesso 
numerous catologue o of Chesterfield minerals. While 
ed It is nular co 
tetions, with daa glistening lustre. Tt contains 
