266 Scientific Intelligence. 
manganese ore at Ilmenau. It occurs in fine needles united into con- 
centric columnar stellate individuals. H.=2:'5; color golden yellowish- 
brown to brownish-red, the wepng: silky, the latter greasy in lustre. 
On gently heating gives out water and becomes darker in color, and 
with a continued heat, the ce betitnes reddish brown. BB. B. acts as 
hydrated oxyd of iron, With concentrated muriatic aie) a iste solu- 
tion, containing flocks of petatinined silica. Composit 
Si Fe Mn “ 
1. Yellow 2°51 74:96 1°82 1:32 15-67 96°28 
9. Brown 5:02 75°00 1°33 1°51 14:10 96°96 
The loss is due to undetermined carbonate of lime, magnesia, alkalies, 
antimony, lead, or bismuth, present as impurities. The formula de- 
duced is ¥e H?. 
On teeth vel a new cobalt mineral; by Wm. L. Faper.—This 
Journal, xiii, 4 
wo ininerill from Orange Co., N. Y., Dimagnetite and Jen- 
binsite» ay Prof. C. U. Saerarp.—This Jour., xiii, 3 
Ded iplion of two new minerals, and a new Earth; by D. D. 
Owen, M.D.—Jour. Acad. Nat. Sci. Philad., vol. ii, part 2, p. 179, 
1852, and this Fuk. xiii, 420. 
On Remingtonite, a new cobalt mineral; by J. C. Boora.—This 
Journal, xiv, 48. 
New Species by Prof. MENEGHINI, of Pisa, with analyses by PB. rof. 
Becut.—This Journal, xiv, 60. Includes the new species, meneghin nite, 
picranalcime, picrothomsonite, portite, sloanite, schneiderite, savite. 
(c.) Described Li nttse 
prism having the angle 105° 6’, which is near the angle of rune 
A prism also in sulphate of potash has the angle 106° 46 ol- 
lowing comparisons of several sulphates are presented in this paper. 
Atomic volume. Axial ratio. Prism caf Prism 1-% vite 3 
41223 07431 :1:05717 1209297 106° 46’ Ks Re 
33018  0°7494:1:05918 118 46 106 18 
$2937. 0°7659:1:06234 116 22  105,.6 (78 18 
30075  07686:1:06084 117 20 104 55 76 49 
29347 0°7817:1:0°6181 7 10 10s 
28999  0°7636:1:06531. 118 42 105 16 81 & 
The author compares also the sulphates and carbonates, in the follow- 
ing table. 
“TN Lil. bls 
Sr ePaR 
Rivnicnimimicni 
Atomic Diff. of at. Prismi<o ‘Prism |- EA 
Prism @ 
ius volume. volume. 
ba§ 32937 106° 54’ 78° 18! 
Bad 286°65 6 iT 
Sr § 293°47 103 6, 3 
Sr 6 25583 f 10819. 60 285 
Pos 300°75 104 5576 >! 
‘Poe 258-9 ; : 108 16 0. 
Ga 289-99) 108.16. Be 
a6 21004 f $1 88 
