Supplement to Davia’s Mineralogy. 361 
ARNET [p. 190].—Black garnet or melanite occurs with feld at . Ches- 
die ~~ Pa. The aplome of Keim’s mine, Pa, is rather a tether geek et than true 
Aalyse of the fine r red garnet from Yonkers, N. Y., sometimes called pe, 
and also of clea mad from Green’s Creek, Delaware Co., Pa, by F. A. Genth, 
Am. J. Sci, [2], xix, 
ae er ion by Kenngott (Min. Not. No. 11). A zeolitic mineral 
needles, which have cleavage para oor 1 in a ramen prism, near pn os Ping (¥. rephe 
of fracture 
rovich), amy wey reddish ‘ 
G. =2-21. tube yields meinen r, age gs opaque white “BB. g Hei. esces 
Pa fuses seit to a clear colorless glass, and shows a siliceous skeleton on ollng: 
' latinizes readily in heated muriatic acid. Mean of analyses by C. v. Hau 
. Si Al Ca kK Na MHatign Hat 100° 0 
- 4699 2684 436 045 968 pt 0°49 = 99°37 
a 2489 1253 124 O07 2 
The xygen at = the protoxyds, peroxyds, rnd wai water, ” Peet 
v. Hauer, is 0305: :2°629 0: 184, foe Schick You: Hauer writes 2:6:15:5, and ie 
duces the formula O(N, Ga) Xl-+- 531 Si. From the Kilpatrick lle ind Dunbar- 
ton, Scotland. grec reat - fae ratio as given in the second line in the 
rar ne we a er 12: 9°38, or nearly (supposing a small deficiency 
> seer 76:2, yg ‘tio oe natrolite ; whence galactite is probably 
atrolite, 
— > Syd —Probably occurs at Tinder’s Gold mine, Louisa Co., Va., ac- 
sai am Am. J. Sci, [2], xix 
Sot ht, —Anal of ciaueediies Som Greenies. by von Hauer 
Cir get Reichs, 1654 6, and J. f. pr. Chem, Ixviii, 27), with also the analyses 
Stromeyer (Gott. ge gel . Anz., iii, 1993, hie se Pfaff (Schw. ‘Tabb, xly, 103): 
Si Fe Mn Me K H 
> Kangerdluarsak, be 2660 — 630 trace _ 4°84 676 = 99°36, v.Hauer. 
£ 27:24 4°39 ST ‘6; Hiatt. 
# Aulinracaru, ins pedi 5 om M 116 1:20 620 4:89 = 96°71, Strom. 
82°5 15 65 55 =—98°0, Pref 
wy ratio we is silica, al umina, protoxyds, and water, 4 
oe aner de deduces 
exactly 4: 2-05 :0-92:1-00, which affords him the formula R* Si+Al* So-1 5H) 
considerably from the bi analyses, Stromeyer observes that mare maite- 
¥ ae : 
n 
aie ar ae — ant K Kenngott have taken the ground that gicseckite is altered 
cleolite or nephe The mineral analyzed b Age n Hauer became brownish red 
er heting and if was partly soluble in muriatic acid. 
D [p. 7].—At Sapo gold i is i 
(Comms a by G. J. Brush.) 
Gyroure [p. 3061 — Accordin, L, Semann, a specimen of gyrolite examined 
, by him was mixed or inter iit with onan: presenting all the cparedere od 
peeelte End be enema tbat pescli, mei its alkali, takes a 
23h tellivnad galena 
a 
Harrmeronrre ial diva tice Hea 
Min Not, Ne. rae aye oa a sift mcs 
Al Ga Na Hatign Hi at100° C. 
45-07 26:21... 11:82 we 4) ~ 12°93 Ccipedtacannhag “4 
the fis 1:8:6:8, composition is 
: velo be at of mewlite i and H 
—This name in D 3 Mineralogy, arose from,a mis-reading“of 
a label of Tstasctih Een (ommuniate 
Hetyry [p, 194).— (P . Ann. xciii, 455, 
‘afforded the i, iuloying pots ec ohigh aE cg mgs D ogg 
ei. _ 3318 He 1146 Mn 4912 Fe 400 = 10342, Ramm 
33-26 12-03. 40°45. 556 
| ign. 1159751, Gm. 
= Son en a SF 1855. 46 
