402 Fifth Supplement to Dana’s Mineralogy. 
ALGODONITE, F, Field (Quart. J. Chem. Soc., x, 289)—The Algodonite is from 
the silver — be Algodones, woe sh tiga in Chili, where it occurs in small white 
lumps, at first supposed to be e silver. It is coated with red oxyd of copper. 
_Ovlor brilliant silver-white but oe potty lay A fracture ors In different 
trials the — of copper was found to ‘24, 88°12, 83-40, 83°56, 8341; 
and of arse 6°21, 16°08, 1641, 16°24, 16 ne cle as the pecs arsenic 16°23, 
copper 83: 30 eS r031=99'84. This corresponds to Cu'? As, the proportion of 
, being twice that in Domeykite 
rk Ip. 208, and as IT, HII, Iv .—D. Forbes has re- ae the orthite 
gan ‘he Maes Mine [see uppl. III] about ten miles east bil ndal, where it oc- 
curs ina kind of gra nite comstng of quartz, mica, and t 0 fess apparently 
orthoclase, and some o _ ante ae N. Ph. Jour, Le vi, 112) Color of the o Rede 
greenish black ; streak yg my. -G= 2°98, at 60° F. H=6 as 
on charcoal swells, beco comes De -yellow and ine ye a black glass, ‘The author 
has woul il the iron and proved it to be prot The following is the new 
statement of his prereie’ sis, and cog in analys is of mea, which he cites from 
Christiania Univ. Programme for 
Sk ae te in Ge ta tek ee Na Wt 
1. Forbes, 31:03 9:29 yaks 20°68 se 674 beheag tr. lived pe 2 06 ph 038 oe 
2. Strecker, 31°86 10°28 19 27 12 76 0°54 1 86 ; 
The water in the Jast contained some mulaebe acid. The Pee dedncea's is is ak Si 
+28 Si+ 10Tf or (223428) Si+ oH. 
Aucxite [p. 388].—A Silesian coal bed, according to F. Romer (Zeits. d. d. Geo 1. 
Ges, viii, 246, Lieb. u. Kopp. 1856) affords a pale s ey yt 7" in irregular 
nodules; G.==2 58; contains according to Lowig, S 34°84, Al 43° "5 or1n, H18 32, 
Si and organic substance 3-3 37, giving ‘nearly the pw KS+32 So. 
ANKERITE * [p. 441, and II.]—The ankerite of Lobenstein, contains, according to 
R. Luboldt, 
161, FeG 2711, MgG 1894, Mn€ 2-24=99-90, 
giving the ane ater per Moje. G.=3:01.—Pogg. cii, 455. 
vent gapted niet ke Reuss,— ral resin from the coal beds of at 
Rohe ing vt Laurent (Site tte ar 271) it is brownish black, 
hyacinth red i in + thin € Melts easily with grommets 
and bur I Phas mobs st an ra which is not disagreeable. 
A giv Pea 
Partl sO ali ib! ¢ in € ther and not at all so in alcohol ; but after . while it absorbs 
ie and — aleohol takes up a little a it. The | 
p. © of as “ar Excluding the ash, the rest contains, Carbon 75301, hy i Ob 
6 204, latees 1 “495. Rae atomic proportions are C®°H°8015, The res esi pape 
eset Sertiin. se para d and analyzed aff ees Csbins 81.47, hydrogen 87 
=100, corresponding to the formula 2(C0# H® 03)-+-HO. 
hws beyond, Hydro-apatit. 
anil . 804].— este states (L'Institut, No. 1246) that 
23 
£3 
as 
2 
Ze 
& 
ith ne 
Plo wbisrie ha ed from the po Re or sou pee the waters contain sili this Sp 
ash and soda and hae a temperature of 7 Wohter has crystal ; a 
cies from water, but a temperature of 180° | C. is believed to be necessary for 
TE [p. 448 and II, III, 1V — Hexagonal — ths in. sng ofthe AP : 
]. 
on se worth I Tavled of the “ecgat: en 16 miles from the cross 
kans W. J. Am. i. Sci., 
sae KANITE Or asin [p. pin and IV].—A massive votedichiel i 1898 : 
orange-colored mineral trom Isch] afforded vy. Hauer (Jahrb. k. k. G. Reichs, 
605), as mean of results 
5 
N. Fe Ht 
4, 4666 107 1250 1605 028 230999 jee 4 
= 4769 O81 12°12 1800 oos 2150=9970 . 
The composition is feevstore NaS+MgS+4H, and identical with that of Bled 
by John, G.= 2-251 
os 
