Second Supplement to Dana’s Mineralogy. 197 
BRoNGNIARDITE tle Damo apes: cy d. Mines [5], vi, 146) that a mei 
men of this minera yah Bolivia (th locality) contains cavities in w: 
is crystallized in regular ontaalpans with ee a cele pen ee observes that 
the species is thus cere to Dufrenoysite, which has the ization and a 
similar formula. ne mula of Brongniardite if (Pb, Ae) ye FSbeSs Bee | Dufre- 
noysite PbS-+}As? 
Brooxrre [p. 123].—S , according to eerie: of transparent crystals 
from the Urals, = of untransparent, 4:15-4:16; of pulverized mmeral, 
420. Analysis Ti oe 31, Fe 3-28, ign. 1°31==98-90. (Kokscharov’s Min. Russl., ii, 79.) 
Baverrs [p. 183].—Loc. in Russia, Kokscharoy, Min, Russl, ii, 111. 
Buratirn, see Aurichalcite. 
Brrownrre [p. es —Note on Bytownite, by T.S. Hunt, Am. J. Sci. [2], xix, 429, 
Catanene [p. 313].—Dauber (Pog. xcii, 245) ad add the Agere + Eee 4 4, from 
erystals from Alten on: yore rO:1 
Loc. at Phoenixville, Pa., J. E Smith, heed 
J eo [p. fea -—Singular crystallization of Calcite from a ee Pa., Am. 
A new ret ‘of eg rig ay Min. Not., No. 17. 
pide a associated with the red zinc ore of Nov Jersey, gave Jenzsch (Pogg. 
xevi, 14! 
Cad MgG Mn C FeG 2G CaFl 8 
79°96 1:94 11-0 0°60 0° e 5° ee 0:32 tr, ==99°84 
It is white, and has the ae d Franklinite disseminated through it. G.=2-788 ; 
in grains, carefully separated from impurities, 2 810-2: ue Oleavage angle 104° 
pe sal has found fluor also in Calcite from Brientz, white cleavable from 
t mine), Andreasberg (Aben ong mine) Kupferberg in Si- 
lei keen ga sealenohedrons from Junge Hohe Birke mine near aah ot 
White from Sala in weden, flesh-red from pas sae from Sangerhause 
Catomer, LP. 89].—New planes on crystals from ae ese a 
F. Hessen berg (Lieb. u, Kopp, 1854, 869), as follows, 4, 2, @-$, 4-2, 2-2 3 . 
0: 1-c (1i)=129° 407; 0 : 20 (2i)=112° 36/.—[In the Mine ralogy, O: i=l 12° 5 
should read O : 9¢—=1 v.] 
ak [p. me oles of the Cancrinite of Miask oe Min. 
Si Al Ga Na(ér.of kK) 6 H 
35°50 28:16 616 20:20 5°83 3°80 =e 
hae ie oe dogs [p. 293].—The clinochlore of fees nage te: has bees e en 
g on nn. d. Mines, [5], vi, 568), w 
Blake. exa iain ab talline plate, rps gc 
e. onal crys “i : 
Was found to be raha to ae side of the hexagon, ‘and ne to the je a 
— Section of the oblique pris i e two optical axes, which are divi 
divergence ae by heat, and the inclination to the plane of cleay 
ve this 
moreover he system of rings the a inclined to this out of the 
of the mi prere & ie the other remains sensibly immoy Satie 
cd f Achmatowsh Schwarzenstein do not act at all e that of Pennsylvania; 
ops n elo in the m of ¢ 
hence the two optic axes ae but ite inclined to one another; the div: ers 
be any, is too slight to ined ; ag ba | no at on i so 
a hbeg mnine of Zermatt fies ye: ‘iete in "gen ‘ e hexago 
On Olinochlore of shea in the Urals, KolechardW * Min. 2 amme ii, 7, and 
Am. J. Sci, [2], xix, 1 
Cenusire [p. 452]. cae Phenixyille, Pa., J. L. Smith, Am. J. Sci, » 3% 245. 
gv anyrh: ferred to Chabazite by R. P. Greg, Jr, 
“4 +10) Gin has been referrec i 
Phil Mag. [4], ah 
