Mineralogy and Geology. 129 
Karpholite after Wolfram.—R. Buum, (Pogg. Ann., Ixxxiv, 154.) 
On Serpentine after Hornblende, Augite, Diallage, Schillerspar ; 
by G. Rose, (Pogg. Ann., Ixxxii, 511. 
On White lead ore after Linarite ; by W. TSTENGER: (Jahresb. der 
k. k. oestr. geol. Reich., 1851, ii, 78, and Lieb. u. Kopp, Jahresb. f. 
1851, p. 824. 
On the waters of the Great Salt Lake, Rocky Mountains ; by Dr. L. 
D. Gare, (Stansbury’s Expedition to the Great Salt Lake, Philadelphia, 
1852).—Amount of solid contents, 22-422 per cent. Specific gravity, 
1:170. Composition : 
Chlorid of sodium, . j : ; F 20:196 
Sulphate of soda, ‘ ; ; ‘ ; 1-834 
Chlorid of ce ‘ ‘ : ‘ 0°252 
Chlorid of calcium ‘ ‘ trace. 
On the Waiters of the Warm and Hot Pye of Salt Lake City ; 
by Dr. L. D. Gate, (ibid.) The mineral water of the warm spring 
has a strong smell of sulphuretied hydrogen. Specific gravity 10112. 
Solid matter afforded on evaporation 1:08200 p.c. Analysis afforded, 
Sulphuretted hydrogen ri i ‘ 0:037454 
mbined, 0:000728 
Carbonate * lime precipitated by boiling, 0:075000 
magnesia 0:022770 
Chioria of calcium, ‘ ; F ‘ 0:005700 
Sulphate of soda, . : : é ‘ 0-064835 
Chliorid of Sodium, ‘ j - ‘ 0-816600 
1-023087 
he Hot Spring has the specific gravity 10130, and yielded 1°1454 
per cent. solid contents. Composition in 100 parts: 
Chlorid of sodium, 0:8052, Chlorid of Beet) 0-0288, 
Chlorid of calcium, 0:1096, Sulphate of lime, 0-0806, 
Carbonate of lime, 0:0180, Silica, a 0:0180—=1-0602 
Analyses of several native Borates ; sy Prof. Brcui, ( sis a letter 
from Prof. Meneghini to J. D. Dana, dated Pisa, July 26, 1853.)—The 
borates examined by _— Bechi occurs as incrustations at the baths of 
the Lagoons of Tuscany 
(1.) Lagonite. Asie pte ; 
B47955 #e3c260 H14016 Si, Mg, Ca, and oc 1769100 
Formula hence deduced, ¥e63+3H. 
(2.) Hayesine? Analysis: 
B51135 €a20850 HH 26250 Si, Al, Mg 1°750 
leading to the formula Ca 82-4411. 
(3.) Borax? Analysis : 
B 43-559 Na 19-254 be 37-187=100 
whence the formula, Na B2-+-6H. 
(4.) Larderellite, SY species. )}— White oe very light, tasteless 
Bia under the microscope to be made up of pater’ es 
2 1. pia No. 49,—Jan., 1854. 
