Third Supplement to Dana’s Mineralogy. 251 
brown ; streak yellowish brown. Lustre semi-metallic. Thin splinters translucent, 
Decrepitates strongly — Geigy water. B.B, in the platinum forceps infusible, but 
ellow: with bo glass which is brownish yellow while hot, but my 
and finally ses Ad oe on eoalialy In salt of phosphorus, a skeleton of si 
Breunvertre [p. 443].—The Tautoclin of Rt te occurs (N. Jahrb. f. Min. 
etc., 1855, 842) in pore heal R5, or R8.4R3 Se after calcite, 
urs in the ne mine, near Freiberg ; genes pripecsese ase Schnee- 
berg, Przibram in Bohemia, de, Ettling obtained for the tautoclin o f Beschert- 
ar Freiberg : 
C4575 Gaov48 Mg1685 e925 Mn1-29 = 9762 
Catorre [p. 435, S08 and Suppl. 1, 1],—A variety of curved columnar calcite 
aes Freiberg in Sax ony, according to gay Bi (Fogg. xevii, 811) has each column 
made up of a series of tabular crystals R [of the form in fig. 574 ©, p. 435 
of Min. only very short] united in fe Pie of the vertical axis. e diameter is 
nostly 2 or 8 mi ayy Rice eculiar forms of grouping and poe of struc- 
ure are described in the ig 
CARNALLITE, H. Rose. cee 9 by B H. Rose (Pogg. xeviii, 161). Occurs 
mixed with the stone salt of Stassfurt inc se granular masses, having a shining 
a ome 5 rsh and parm sc showings a plane surface after the action of 
water over the surface, as if in dicating ohare or a - without one ts 
tinet sal of iti in a fresh separ Dissolves easily in water. Composition 
cording to Mr. Oesten, assistant to Prof. Rose: 
MgCl KCl NaCl 9 CaCl ¥e(mixed) H can) 
a0 31°46 24:27 5:10 2-62 014 = 100 
2 S051 2497 455 O14 6 = 100 
The water by direct Seger - 87-27. Part of this water is united to the 
chlorid of calcium, 2-54 p.c. in No, 1, and 291 in No, 2; so that the water of the 
J oreme is reduced to ons $8 per cent. The composition then becomes K Cl 
The name Carnallite i is after Mr. von Carnall of the Prussian Mines. 
gaat A 68 and Suppl. m].—An account t of the Cobre age of Sy a 
de Cuba, b Ansted, is contained in the Quart. Jour. Geol. Soc., 
‘ip P 444].—On the o of the carbonate of iron in the oa Measures, 
MER Moser Pros boot tee Watt Hist. 1866, 268, wot Amo. d. Sci, xi 280: 
CHEROKINE, 0. U. Shepard—A « s yet imperfectly described by the 
author, Crystallizes like pyromorphite aren ot has the color of page ee 
Specific gravity, 48, ike yo ear ge a of alumina and oa [ saa =5% 
given, ae ena ste would s bility that the mine 
of a sesquoxyd with zine, caledg a pse' gene DD.) 
CHLOROPHANERITE, G. Jenzsch.—From the amygdaloid in the vicinity of 
Weissig, It had been referred to chloro , and om chlorite (Daou? 
i a ree a 
Min, et, 1855, 798.) in a partial anal Silica 59°4, proto nae iron 12: a, water 
ov m oa 
Streak G. = 2684. be vial 
Th muriatic y apple gr iiscoi, no een, the silica separa’ According to Site 
the particles of a or rei — yr ified, a slight double refraction. 
Pproaches nearest m Iceland analyzed by yon Walt Rrecit 
me gave, Gi B08 ay 5on0, st, Ca 0005 Mg 4954, Fe 15°723, K 5-036, 
4444 = 98131 (Vulk. Gest, p. 301). 
Cunvsourre [p. 184, and see 1, 11].—A mineral looking like some kinds of 
‘fun 
he T rol, in a taleose tine rock 
Soot of eal f calcite, ge ag ¢ i collection of M. A of Paris 
