Ninth Supplement to Dana’s Mineralogy. 357 
E. J. CoapmMan: A popular exposition of the Minerals and 
Geology of Canada. Under this title, Prof. Chapman has con- 
tributed a series of interesting articles to the Canadian Journal 
of Industry, Science and Art 
i NNGOTT: Pichersithit der Resultate ning coed 
Forschungen in Jahre 1859. 8vo, pp. 212. Leipzig, 1860.—A 
complete review of the Mi neralogical Researches published in 
1859, with additional observations and critical notes by Prof. 
enngott 
H. Kore unp H. Wiu: Jahresbericht iiber die Fortschritte 
der Chemie, und verwandter Theile anderer Wissenschaften, fiir 
1859. Giessen, 1860. 8vo, pp. 903.—Pages 765 to 820 contain 
180 Kopp’s excellent review of the progress of Mineralogy for 
ERMANN: Heteromeres Mineral-Systems. (Zweite um- 
sparse Anflage). 4to, pp. 214. Leipzig, 1860. 
. V. ZEPHAROVICH: Ueber die | iaprempecersgr des Epidot. 
8vo, pp. 22, mit 2 Tafeln. Wien, 1860. 
Descriptions of Species. 
MiTE,—For a rig on the crystalline form of this mineral by vom Rath, see 
ees Ann., ext, 25 
ALBITE [p. 240, ee VIII].—An interesting variety of albite ted 
With smoky quartz at Moriah in Essex County, New York. It hie A a Pssanh | wa 
anda peculiar lustre resembling green diallage. Cleavage an ke 
with great distin netness the ae striations. G.=2°633 ( ). Analysis. oy 
Mr. Edward H. Twining, Assistant in the Laboratory of the Yale Scientific 
Si a #e os Mg Na K Ign. 
6701 19°42 0°95 0°39 tr. 11°47 0°25 0°24==$9°73 
AKANTH II].—Kenngott cotisiders the mineral from Copiapo descri es by W. 
J. Tivlae as i eNagecio (Suppl. VILL) to be a cupreous v. stg of akanthite; ex- 
cluding the iron found in the analysis as FeS. the re SOT sulphids of pine and 
copper are in the proportions of 4AgS to 1€uS (Ken “ie apting: 1859, 115). 
2) 
5 
5 
° 
i=] 
S 
® 
g 
S 
n 
co 
2 
= 
5 
® 
Cy 
. 
B og 
ro] 
ca 
= 
Q 
= 
~~ 
= 
“ 
~ 
® 
m 
° 
© 
oe 
S 
SS 
5 
- 
3 
= 
i 
XXX 
Mine near Freiberg. Sp. gr. of Freiberg specimen 92—7199, from Joa 
thal 7-246, At Freiberg it i is associated with argentite and stephanite, —. 
of akanthite by P. Weselsky show it to be identical in chem 1270 ep ion with 
oe 
argentite, Spode: frou Freiberg contained 86-71 silver, 12° 70 8 4 from 
Joachimsthal, 87:4 silver. AgS requires by theory 87°03 Ag, and 1 —Ber, 
Wien Akad, in Jour. prakt. Chem., \xxx, 487. 
Atuminrre [p. ie a Are ses of aluminite by sneer and Dieck (2) fom from 
= vicinity of Halle show, accor to Heintz, that th yee ae 
f different basic poral of alumina, (Kopp, Jahre ahresbericht, 1859, 811): 
Al Fe Mg 
Li 9248 ne 1:92 oi 0-50 ea , 34-914 =10000 
2... 15°66 pee 46: 89 = 98:99 
foe difference. 
Ammoottre [p. 142 — poi: roa has published (Quar. Jour. Chem. Soe., xii, 27) 
an tegen exam amination a red mercurial mineral at ing | with apoio tetra- 
hedrite, atacamite, m satin Puuitite, limonite, and silica manganese and copper 
at Tamillos near Gbiitinibo 3 in Chile. It differs suktally inte the Minshiolte de- 
