450 
Minrrats— 
Scleretnit a new mineral resin, in Eng.| 
Seleroclase, analysis, ete., v. Waltershau- 
x, 355. 
Sealecive of Mull, Scotland, xv, 440; anal- 
ysis . Genth, xviii, 410, ee 368. 
Scorodit te in N. Carolin a, F. A. Genth , XIX, 
Seladonite, (reference,) xix, 
eae of Towa, (re a ay a ,4 
ee density of, Saat, yi, 
of Williams te with, xiv, 267, xv, 
el i of Easton, Pa., 
a 129, 
rite, stp he = C. v, Haue x, 368. 
Silver, hlo ro-bromid, of Chili, poster of, 
Silver glance, Prince’s Location, Lake Su- 
rior, xix, 368. 
Silver, iodid, see Jodid, 
Sismondine, analysis, xi, 64, 
Sloanite, Meneghini, xiv, 64. 
Smectite, ate aie etc., sh is 219. 
Smithsonite, Herre ext i a F. A. 
th, a = 8. 
Soapstone of frie vcear a analysis, 
Bahr, xi go 
Sodalite-like mineral of Norway, descrip- 
tion of, met xiv, 270. 
— in Northern N. York, xii, 
octahedral, 7'..S. Hunt on, xiii, 370. 
Sphene of Grenville, Canada, analysis - 
xv, 442; in Northern New Yo: rk, xi 
395; relation to to Euclase, Dana, she 96 
Spheralite, ees 
Spinel, wi Songe sac harried 
om 
#: ie Smith, en ? in Northern N. York, 
Spodumene, analysis, Rammelsberg, xv, 
Hermann, xv, 440; of Norwich! 
and twee Mass. , analysis 0 of, Si Smith! 
and Brus. Sys form * a 417 i 
JL. Smit + 369 y 
ite, isomorphism rr i 278, 
Staurotide, sono ‘a, Kenngott, xi, 226 ; 
rela’ nae 4ae of, with ‘Topaz and ‘Andalusite! 
Steatite, analyses, T. Scheerer, xiv, 38; in 
Vermont, xii, 396. 
Stilbite, remark on, xv, 441. 
a description of, Igelstrém, xiv, 
Strontianite i inN, York, xiii, 264, 
Strontiano-calcite, description, F. A. Genth 
— rig 
crystallization, xviii, 13 
Salpbar near heb ee ate means eng 
278; of Hungary, in Upper & 
xix, 
in Koordistan, xiv, 104, . 
INDEX, VOLS. X1.—XX. 
MiNERA 
Sulphur lake Serr: Tivoli, Italy, B. Sili- 
r., Xi, 
Sulphur waters or Asia Minor, J. L. Smith, 
Senclia. or glassy ee angles of, xv, 
433. (Sho “ss ge Sanidin.) 
Syenite, red, of Egy nt composition of, 
Delesse, 
xii, 
whe ratio of metals in, Kenngott, 
x, 369, 
Taborgite, name of Werner's Talc of Ta- 
a ; ae 4 
Tetradymite, N. Caro nig vi 81; 
of — F.A. Geni th, xix, 15; for- 
mula of, xix, 369. 
Perrahadelia, see Gray Copper. 
Teza, see Borocalcite, 
Thalite, D. D, Owen, xiii, 420; analyses, 
niin 420, xvi, 3 368, xv ii, 131. 
XV 
Thon. ‘supposed, of Danbury, Ct. xii, 
220. 
Thuringite, formula of, xviii, 129; and 
Owenite, identity of, xvii, 131, xviii, 376, 
411. 
a ore of Ireland, xi, 232. 
Tin pyrites, analysis, etc., bey xvii, 36 
— Iron, from Miask, Fr 5: wit! 
mery of —— xi, 65; i jin Canada, 
Hun unt, xi 
oe relation to Andalusite and Stauro- 
n form, xviii, 44; formula of, Deville 
oa a Fougué, x xviii, 269; of Trumbull, Ct., 
form of, xviii, 419. 
Tourmaline, constitution of, Rammelsber, 
xi, 257; of Elba, xii, 393; of N. pear: 
ire, Xii, 396 ; in N. Yo rk, W. P. Blake, 
xiv, 105; in Siberia, containing chrome, 
xiv, 273; R. Her on, xiv, 274, XY, 
442; heteromerism umann, X¥ 
442; isodimorphism of, with Calcite, 
t 
ure of crystal of ‘Tourmaline, 
wire 216; —: of, xviii, 419; on for- 
mula of, xviii, 
Tremolite, analysis of, T. Scheerer, xi¥, 
; in New York, xil, 
Triphyline of Bodenmais, analy rv 
xi, 231; ibid, R — Ag A , 
ipli 1 
(called ok of —s bid, a 
oo in N. 
—s 369. 
Tyrie, de ogy — of, e Lag xix, 
Unsonste i identical with x oclase, Smith 
and Brus 
be agua ores a Middletown, Conn., xii, 
‘ae, see Antinomy, white. 
Vanedate of oF took in Peetu, J. L. 
Smith, xix, 127, xx, 246. 
1 sree in the Perm iron, Russia, 2i¥, 
