358 Ninth Supplement to Dana’s Mineralogy. 
ribed by Dom rk) Wigs Gigees in regard to the action exerted upon it by acids; 
still Field considers s only a variety of the mineral, derived from the oxyda 
tion of a mercurial tetrahedrit fh ssa My prolonged digest ion in nitric acid, the 
red powder was found to contain in two different specimen 
He b s Fe H i 
1, 84°42 14:2} 5°43 2°68 4°46 85°50 = 96°70 
2. 37°94 15°26 598 2°94 498 29°78 = 96:80 
pie the sulphur re Laster the mercury and ant pron making the former 
imple eand the latter ptegey _ Syeschane the remainder of each metal, 
the ep considering the sities and oxy n as accidental inaperitinn and deducting 
the water, we have, according to Field's iene es: 
HgS 
a 
Field popeneless that this peg. meted n may be represented as a tribasic testy etd 
nite of mercury combined with tribasic antimonite of the same metal (3HgS, SbS3) 
sae HO, Sb.) sons sot to a 82°93, HgS 35°37, SbO, 17°07, Shs 14-68 
per giving e same percentage and compositi [Ww not ealiy see the 
these two formulas, in the first i dain ine atoms each of HgS 
poe GOs cad one atom ‘ah of SbOy and SbSs, and in the second formula 6Hg0, 
bor 2SbS,, and one atom SbOs. nace is nth reg impossible for these formulas 
to give the same percentage composition. B.] 
eg oa [p. 396, I—VIII].—H. Reinsch fas found in the phosphorite of Ambe 
niy chlorine, ’ fluorine, and iodine, but also bromine.—({Kopp, Jahreshericht, 
150, 805.) 
Bamutte.—See under Si/limanite. 
Barracuite.—See Monticellite, 
_ Beryt —Vi. a of beryl by Hofmeister, (1 and 2) Rosenbach 
in Silesia, Uy He Heubachtlia 
e Fe Ca 
G.=2'65 (es $i 34 21°01 11°32 1:21 026 O12 
65°69 20°41 11°60 — 0:20 O11 
G.=2'63 66:22 16°36 12-79 "63 o'78 083 
—Jour. prakt. Chem., \xxvi, 1, in Kopp’s ae 1859, 778. 
Brvorre [p. 133, I, 11}. —angelsiein has discovered this species at three localities 
near Filipstad in Formieen 1 Sw weden). It occurs in small rounded masses in lime 
yse 
vi 
2. 
3. 
stone, ree 
Mg Fe H 
: . 68°80 3°35 28°80 = 100°95 
G.=2°40 66°80 cas $950 =< Med ae 
;. OT Oi = 
The pure mineral contained no carbonic a —(Kong!. Vetenskaps- ‘heel Firhand- 
lingar, 1858, 187.) 
Bucuoizite.—See under Sillimanite. 
ee 
