W. E. Ridden — Miner alogical Notes. 3S1 



Later work at this locality, by Mr. Mvens, has resulted 

 in the finding of crystals of zircon (G. = 4 -73), monazite 

 (G. = 5 -51), chrysoberyl, iolite, pinite, and two others, which 

 I have not as yet identified, all new to the locality. 



Xenotime, from Alexander Co., North Carolina. — In some 

 concentrations of vein material from the locality formerly known 

 as Miiholland's Mill,* I have also found several brilliant brown 

 transparent crystals of xenotime. An ounce of this sand yielded 

 more than a dozen perfect crystals. They were minute, none of 

 them exceeding 2 mm in length and from -J- to -| mm in thickness. 

 The hardness was less than 5 ; the quantity was too minute to 

 allow of a specific gravity determination. AVith these hair- 

 brown xenotimes and topaz-yellow monazite also occur very 

 brilliant ruby-red crystals of rutile and small muscovite crystals. 

 The measurements of the angles were attended with considera- 

 ble difficulty but the following satisfactory results were finally 

 obtained : 



s' a s'" (111 ^ 111) = 96^° appro*, 

 ra' *s' (110 a 111) = 131^° approx. 



As to the new planey (2-i, 201), it was observed equally 

 developed, as shown in figure 1, on all the crystals found. 

 Its symbol is determined without measurement, by the fact 

 that its terminal edge is truncated by the pyramid 1. It is to 

 be hoped that the mining now going on in this region may 

 bring to light macroscopic examples of this very interesting 

 type of xenotime. 



At a new locality, about 3^ miles nearly due east, I found, 

 in August, a few small crystals of xenotime of a dark brown 

 color that had polished planes. They were found associated 

 with monazite, rutile, muscovite and quartz crystals. 



Xenotime-zir con, from a new locality.— On the Davis land, 

 on the east side of the road that leads from Zirconia Station to 

 Greenville, via. " Poinsetts Spring;" and distant about four 

 miles from Green River Post Office, Henderson County, North 

 Carolina, there is an outcropping of decomposing granite that 

 has lately yielded a small quantity of very interesting minerals; 

 only one of which I shall describe at this time. 



A cubic yard of the partly kaolinized material yielded on wash- 

 ing nearly an ounce of a mixture of zircon, monazite, xenotime, 

 a member (as yet unidentified) of the samarskite group, and 

 considerable magnetite in octahedral crystals. Figure 2 shows 

 the symmetrical development of the largest xenotime found, 

 and its association, in parallel position, with a crystal of zircon. 

 The specimen is nearly one centimeter thick. The zircon 

 crystal forming the center is bright dark-brown and the xeno- 



* Now Warren's. On the monazite from this locality see this Journal, xxii, 21, 

 1881, and xxiv, 247, 1882. 



