416 Fifth Supplement to Dana’s Mineralogy. 
Autunite pp. 430, and IV, under Uranite]_—According to ae we 
M.,, xi, 261) 7: Zin Autunite is probably 98° or 94° (see 4th Suppl, p. 1 
Urpite.—See Monazite. 
Vortzixe [Min., p. 127]—Lindaker obtained for a specimen from Joachimsthal — 
(Vogl’s Min, Joach, 4 is sulphuret of zine 82°75, oxyd of zine 17:25=100. 
Wiruerite fp, 449 r. Heddle _ —— Thomson's sulphato-carbonate of 
baryta from Dutton ne Sinica whic observes is only the carbonate encrusted 
more or less with minute crystals of pt nail He ps ete (Phil. Mag., [4], 
ii, 587): 
xiii, 58 ; ars 
Bad BaS Gad 
- Dufton, 99 24 0-54 0-22 = 100 
: Hexham, 98°96 0-94 trace== 99°90 
Wotresite tp. 349, IT.]——-Crystals from Antioquia ne sands path ee 
the angles (Ann. Ch. caplet a 448) O:1-1== 122° 82’, O: i da 
160° 10/, 14: 1 4 (basal) = © 160d sal 4° oe 1 1 (basal) rena. 40". (tn 
the Mineralog gy, Oli elas 26’ should be 122° ‘ 
Zeo ——Damour has found (Comptes Rend., ee 1857, L’Institut, raat pec 
that the: ethics. sabia excepted, have — property of dip. Ee a la 
som a the pen rh combination they et when laced in an aie 
phere completely dried, or when heated to btw een 40° C. and a low red heat; and 
that after ine ‘eka de bhyaratation, they will absorb the fall amount of water again, 
when exposed in he open air; also that the facility with which they part with cor 
water is in alec to the water they contain. The heat proper for success wit 
each species should not be exceeded. The stim a are regarded as confirming 
conclusion that the zeolites were formed in the wet way- 
Appendix, 
—The Emerald of Muso, the famous emerald mine of gel Granada, has 
beea aistpaed anew by M. Lewy (L’Institut, No. 1247), as follow 
¥ 
Si Al Be Mg Na 
1, 68-0 18:1 12-2 0:9. 07 
2. 67-7 178 126 0-9 PB a's 
Tra races of chromium are aga with the magnesia, and perhaps there 7 press 
titanic acid with the alumina. In previous trials, he had found water as 10 
138, 1-67, 1-93. 9 06, 1-65, 2°15, 1°67; and from the Ist, 8d, 4 4th a nd 6th of ie 
he obtained 0-35, 0-21, 0:25, 0-3 carbonic acid, corresponding to some organic MN +e 
present, the Ist by Bice tn giving C 0-09, H 0:05; the second 0:06 and 0°03; 
third 0-07 and 0-04; the fourth 0-08 and 0-05. ‘The author thinks that the re 
e on the organi matter, as it was deepest in those affording the mos 
‘and was os t a low red heat. 
a ” d 76° 45’ 
Abd ne of ino (four satis west of Muso) is in lat. 5° 89’ 50” N., an sare 
west o f Pati, jn the Eastern Cordillera of the Andes, about 75 miles norms hile 
east of Bogota. The crystals often crack to pieces after being remo sath 
from the mine, apparently from losing water. The rock is a limestone gr ai 
bog ibe The limestone contains CaG 47:8, Mee 16-7, Mn 06, silica 24% 
5, Be 0-5, Pe 2-6, pyrites 0°6, alkali 2°7=101- 
he 
Evorase —Von Kokscharov reports the ions discovery of veer _— : 
oe region of the Southern Ural, in the Orenburg district, near the he yr 
parent crystal is 24 millimeters in ere ~ nd 13 by 7 in its 
ied Batts Seg geol. Reichs. Wien, Feb. 23, 
_Eerata—In aa IV, under Lrevarre and Coromerre, 5th line in each brachyd 
d be macrod.; and under eng cs the angle 2-2 : 2-2 should p robably 
Fa ik in very near SAE Wee Houlih 
