378 Eighth Supplement to Dana’s Mineralogy. 
the oxygen ratio for H, Na, Ca, Si as 1: 1:05: 383:11°84 or nearly 11:4; “a ‘ 
the formula, as expressed by Prof. Whitney, Na*Si4+4Ca*Si?--3H=Bi 5429, 
33°73, Na 9°33, H 2°74. This corresponds much better with the rte i 
. Kobell’s fi “i io' is 13:3: 4210; é 
Prof. Whitney calls attention to the relations of ‘pecto! to spodum and ako 
to wollastonite and pyroxene, the latter pe nae nde apparent at val Bi 
formula is written (Cat, Nat, H4)*Si? or R® A 
._ Pewsnine [ Vj.—A new nig of pennine from a 
Merz, gave Fconngotte U Uebersicht f. 1858, 63): 
Si Al F Mn Mg H 
33°26 11:69 7-20 tr. 35:18 12°18 = 9951 
not differing —" from the he g results of Marignac, Schweizer and Mac 
Donnel. For ended discus - the chemical composition of f thiamine d 
y Dr. Mannestt, see oe cit., pp. 62 a 
Puoterire (p. 251].—F. A. Genth somes (this Jour., I. igh: 251) a 4 
as ae in the. oe mines of Schuylkill Co., Pa., in yel white scales whieh 
sis No. 1, was made on the eeietn nal min seal, tn “Nos. 2 and 8 the substance had bea 
previously treated with chlorhydric acid. Nos. 1 and 2, were decomposed by fis 
with carbonate of soda—No. 3 by tyentment with sulphuric acid. 
pon. Al Be Na kK H : 
1, 4693 8790+ 018 093 undetermined  1898= 9992" 
%. 4698. £066: <2. — O11 006 1960=e 
8. 4681 39:56 O11 0:06 1391 = 10040 
giving the formula RUB ot Si 47-06 06, 1 39°20, H 14°71, 
Puosruocuatcrre [p. 425, II, VI, VII].—Bergemann has found arsenic acid i 
peer the 1 native phosphates of copper. Pinko of the phosphochaleite — 
Cu - Rs iH 
Phosphochalcite, 69:97 1989 . 178 821 = = 0085 
(Abstract from Pogg. Ann., civ, 190, in ee Takresbetieht 1858, 726). 
Pircustenpe [p. 107, IV, V].—Hermann has given (Jour. f. prakt. C 
826) the name uranoniobite to the seas ed pitehblende from Stro 
orway, previously described and ana lyze zed by Sche erer ‘ems ae pony Lohan 
blen r remarks i deser 
uranium and manganese) with which Sig bere nde is associated ;— 
ss is needed ‘ to estab its clai aidaredl a distinet species. 
ermann 
ew analysis er the s pitehblends from Joachimsthal: 
pa Be ro ii £..t Bee pied 
G=697. 284 245 033 188 1-23 sage 28:34 O74 bia 578 
with traces In ann comm 
the 80- es pittinite Famers Picithass ) oe Souchinstal 1 
rphous opaque m: asses of a * ck color. oer i al 
. p. gr. 5° eer’ 
and ammonia; fused with soda on charcoal gives a globule con ng 6 
mul. ay a Shs f by nitric acid with separation of gelatinoss si ® 
Si 4 ~ gs “Bi he Ce hw = 
800 6845 454 267 251 226 eos 10°06 hawt 
