360 BULLETIN" 53, UNITED STATES NATIONAL MUSEUM. 



83303. Ralstonite. 



Cincinnati mine, St. Peters Dome, Pikes Peak, El Paso 

 County, Colorado. 



Cross (C. W.), and Hillebrand (W. F.), Bull. No. 20, U. S. Geol. 

 Surv., 1S85, p. 56. 



84451. Roscoelite. 



84452. Stockslager mine, near Placerville, California. 



Hillebrand (W. F.), Turner (H. W.), and Clarke (F. W.), Amer. 

 Journ. Sci., vol. 7 (4), 1899, pp. 451-458- 



85714. Roscoelite. 



Near Placerville, San Miguel County, Colorado. 



Hillebrand (W. F.), and Ransome (F. L. ), Amer. Journ. Sci., vol. 

 10 (4), 1900, pp. 120-144. 



83273. Scolecite. 



83274. North Table Mountain, near Golden, Jefferson County, Colo- 



rado. 



Cross (C. W.), and Hillebrand (W. F.), Bull. No. 20, U. S. Geol. 

 Surv., 1S85, p. 35. 



83512. Spangolite. 



Globe District (?) near Tombstone, Arizona. 



Penfield, S. L., Amer. Journ. Sci., vol. 39 (3), 1890, p. 370. 



83248. Stilbite. 



83249. North Table Mountain, near Golden, Jefferson Count3 r , Colo- 



rado. 



Cross (C. W.), and Hillebrand (W. F.), Bull. No. 20, U. S. Geol. 

 Surv., 1885, pp. 19-23. 



83251 Thomsonite. 



to North Table Mountain, near Golden; Jefferson County, Colo- 



83270. rado. 



Cross (C. W.), and Hillebrand (W. F.), Bull. No. 20, U. S. Geol. 

 Surv., 1S85, pp. 18-19 and 24-27. 



51456. Topaz. 



Nathrop, Colorado. 



Cross, C. W., Proc. Colo. Soc, 18S6, p. 66. 



8l244 Ua) T °P az> 



81247!^ J ' (a) Alabashka, the Urals. 



8 1 253] (b) Ilmen Mountains, Miask. 



81254Mb). (c) Urulga River. 



S1255J (d) Adun-Chalon Mountains. 



(e) Schneckenstein. 



(f) Takavama. 



(g) Villa'Rica. 

 (h) San Luis Potosi. 

 (1) Pikes Peak, 

 (k) Thomas Range. 

 (1) Bald-face Mountain. 



Eakle, A. S., Proc. U. S. Nat. Mus., No. 1148, vol. 21, 1898, pp. 

 361-369. 



81256 (c) 

 82868 (d) 

 82336 (e) 



471 19 (f) 



81259 (g) 



492 4 8l (h) 



82873 (i) 

 45i9i (k) 

 82579 (1) 



