Third Supplement to Dana’s Mineralogy. 261 
Stisyrre or Stibine ( Antimony eee {p. 33]—Occurs in Katharinenburg in the 
Urals. Kokscharov, Min. Russl. ii, 
[p. 8 32]. ay mineral ae: to Stilbite has been described by J. W. 
Mallet (this Journ, xxii, 179). Coa nular massive, reine cleavable, pearly on 
two opposite facés, obese ante: a little en of calcite, G.==2°252. 
With a. muriatic acid yields a jelly. Composition— 
Al Mg ti — o a H 
53 96 20°13 1 286 trace 12'49==100°23 
corresponding nearly to Oa Si-+ Al Si? + eg the Isle of Skye, Scotland, 
ee [p. 287]—Observed by E. F. Glocker, in Moravia and Eastern 
Silesia, at Seitendorf near Tro oppau, Barn, two miles from Stern nberg in Moravia, at 
Sternberg, a a Liskowitz and Wiichtersdorf, and Jessenetz. The rock containing 
Mh ; It j 4 
i s ofte 
chlorite, calcite, an rae ae and boty hase with pyrites age limonite. Chlorite 
especially is its common attendant. the two have close resemblances, so that 
when mixed they are distinguished with some difficulty, 
2 
Tanratrre [p. 851] —Tantalite from Chanteloube in Limoges, has given Dr. G. 
Jenzsch the following composition (Pogg. xcvii, 104) : 
Ta Z iS e 
1, 83°55 1:54 1:02 14°48 tr, ==10059 G.=1-708 
2. 7898 572 286 Fels62 tr. =10068 G=7027—7042 
The second analysis is of specimens partially oe by exp exposure. The fresh pieces 
have a conchoidal Hakite georenet lic adam H.=6°5, streak iron- 
ante to_blackish-brown. The specimens ssalyaeunt been ‘eeuived by IE Bose 
m M. Damour. 
oo. [p- 865].—Seacchi has bed (loc. cit.) an vg) Pcs pees 
soda under the nam ame of femmes: (atleding to ~ aon gin) < nd on the 
8 
58’, 1:1, basal, =3135° 21’, pyramidal 123° 39” a8 74° 36’, 33 : 33 basal, = 153° 
41", pyramidal 65° 48" and i oe 3° 2’. [The planes and angles are those 1 Pat 
nardite, a described simhaieen of which has the “aiglan 135° 41, 123° 43’ an 
74° 18/, “See Brooke and Miller’s Min, p.534, The angles in the author's Min,, are 
from Hausmann.—y. p. .] 
Trrro 11].—According to Dr. D, Forbes, the crystallization | a tritomite 
dota i N. Ph. J., (2), iii, Jan. 1856). G.==3:908. Composition accord- 
Si W ¥ tea Ge fe Mn H 
2116 i 0 oat Nd ae . on 464 1241 37°64 268 1:10 868=9958 
Dr. ae states that = received formula # Si-+- 2H is probably as correct as any 
other which can at pres posed, 
He 
TScuErFKintre 41).—Deseription by Kokscharov in Min. Russl. ii, 150. 
states that he apo of | of five specimens of the mineral, and that most of the so-called 
Tscheffkinite is Ural-orthite 
.,_Tyeire eee uh —This paeien. described by D. Forbes, is referred to Fe 
‘erguson- 
Me by A. K tt (Pogg. xcvii, 622). His specimens were received from Dr. Bondi 
of Dresden ies 
at species. 
ested on sending haem a Baars ign re yer to a a te 
crystal sufficient to establish its hemihedral pierce Srariictae aie Va correspovtence 
in the occurring planes, these planes being O, 1, 83 [ figure in Min., p. : an d giving, 
48 nearly as can be determined, rn same angles. Haidinger describes Fergusonite as 
