358 



DESCRIPTIVE MINERALOGY. 



Herkimer County. The black variety is sometimes found with quartz crystals. 



Fig. 358. 



New- York County. At Kingsbridge, brown, yellowish or reddish 

 brown crystals are found in the dolomitic limestone. They are some- 

 times in the form of six-sided prisms with three terminal planes, Fig. 358 ; 

 at others, the prisms have nine sides, with various terminations. It is 

 associated with reddish brown mica.* The blue and black varieties 

 occur in the granitic beds or veins in various parts of the island. Many 

 line specimens were obtained from the tunnel of the Harlem railroad. 



Orange County. Tourmaline of various colours, and often well crystallized, is found in 

 various parts of the town of Warwick. One and a half miles north of the village of Eden- 

 ville, it is grey or bluish grey, and is in the form of three-sided prisms. In the same vici- 



Fig. 361. 



Fig. 359. 



sometimes met with, 

 on s 90° ; Z on Z 120° 



nity, it is green, and also in three- 

 sided prisms without regular ter- 

 minations. Fig. 359. 



A mile north of the same village, 

 black and imperfect crystals are 

 found, sometimes half an inch in 

 diameter, and from a sixteenth to a 

 quarter of an inch in length. They 

 sometimes have the form repre- 

 sented in Fig. 360. The nono- 

 septimale of Haiiy, Fig. 361, having 

 a black colour, also occurs in this 

 vicinity; and one mile northwest 

 of Edenville, brown crystals are 

 : P on A 152° 51'; A: on Z 90° ; k 



Fig. 362. 



PonZ 117° 9'; P on s 113° 13' 

 I on s 150° ; s on s 120° {Haixy). 

 At Rocky hill, in the same town, black imperfect crystals are found in quartz. They are 

 sometimes from three to five inches in diameter. 



About a mile and a half southwest of the village of Amity, there are 

 crystals of tourmaline, associated with spinelle, in calcareous spar. The 

 colours are yellow, yellowish brown and cinnamon-red. The crystals are 

 sometimes more than an inch in length. One of the forms is a triangular 

 prism with the angles bevelled, Fig. 362. 



Again the same mineral, having a clove-brown colour, occurs asso- 

 ciated with grey hornblende, rutile, quartz, etc. in a vein of white lime- 

 stone near the village of Amity. 



> Cleaveland^t Mitierahgy. 



