446 Setentific Intelligence. 
aP’a and «P] is stated at 119°; while the angles made “ors e 
and D with the plane x, on the intermediate edge, are given at 138° 45/ 
and 167°; the sum of which should equal 299° (119°-+-180°).] 
alena.—Galena of the Upper Mississippi, 7 ig Owen, Rep. Geol. 
Survey of Wisconsin, Iowa and Minnesota, p. 6 
White Lead ore of aoe in Durham.—Analysis by J. A. Pa 
- oe eos J. Chem. Soc., 175); oxyd of lead 83:56, hee 
=09.61. 
On strate in Newberry District, S. C.; by C. U. Saeparp, 
Proc. Am. Assoc., vi, 281.)—Occurs in apparently regular hexagonal 
prisms, and 6-sided very acute pyramids. Color pale greenish or yel- 
lowish white 
Miitookive *_-RaMMELSBERG has analyzed this ore (Pogg. Mera 
and deduces the formula, Pb Cl+-Pb 0, ee to 55-62 Pb C 
44°38 Pb O. 
Molybdate of Lead.—This ore from Wheatley’s Mine, near Phenix- 
ville, Chester Co. Pa., has been examined by C. M. WETHERILL (Proc. 
Nat. “Sei. Philad., 1852, 55 and 119) without detecting any 
chromium. The color of the crystals is light re 
Native Copper of the Lake Superior region.—Foster and WHITNEY 
observe that the crystals from this region are ae tetrahexahedrous, 
formed by a bevelment of the edges of a cu The largest men- 
tioned was one-fourth of an inch in diameter ae cit., p. 99). 
Crystals of analcime occur at Copper Falls whlel: are penetrated 
throughout with delicate ramifications of metallic copper, so that if the 
analcime should be dissolved away, the form of the crystal would still 
remain in the copper.——Jb. 
— ore from between the Mississippi and Kickapoo ; by 
Dr. D. D. Owen (Rep. Geol. Survey of Wisconsin, lowa and Minneso- 
ta, 4to, 1852, p. 53). This ore is an impure one, resembling chryso- 
colla, in eetann being of a light green Keon waxy lustre and 
fracture, and very brittle. Analysis of a specimen of average quality, 
afforded, protoxyd of copper 25°0 lentieasontiog to 19:87 of coppet)s 
peroxyd of iron 48-7, protoxyd of manganese: 0-2, insoluble Oe. 
with a trace of oxyd of iron 8: 3, alumina 0°6, carbonate of lime 0 
carbonic acid 5-0, water 11:2—99-98, 
_ Copper ore, containing Gold.—-This ore, described by Mr. F. tion 
4. Che Soc., iv, 332,) is soft, of _greasy ara) jr bright 
Au 
0-008 
Ee % Sb Cu Zn Fe Ag 
80350 SIZ S084 = 86-720 = 7260 «1-282 0075 
* In this Journal, xii, 988, from Phil. Mag,, [4], ii, 120. 
