Fe ee pr ee ee ee ne toe en tae a ee ee en ee ee te heel) geen pe 
Highth Supplement to Dana’s Mineralogy. | $608 
Avorrarre [p. 234, IT, VI].—Potyka (Pogg. Ann., eviii, 110) has found anorthite 
to vk a constituent of the rock o — ee d with bone at the Konche- 
kowskoi Kamen in os rals. es in fragments was 2 Vi? Gy " 
powder 2°7325 (16°89). B.B. afl fasible, Only partially pa 
with eagle br sia i acid. 
cl Ca Mg K Na 
Ab: 1 8453 0 il 16°85 O11 0°91 259 = 101-01 
corresponding aie. closely with the formula Oa?Si+3ASi, or considering silica as 
Si0.=CaSi+3 
Anorthite from Carlingford, Treland, gave on analysis by Prof. Haughton, Si fe 87, 
H 3473, Oa 17°10, Mg 1°55=99-25 (Greg, L., E. and D. Phil. Mag, [4], xix, 18). 
Aynicorrre [p. 281, I, 1V].—For description of optical properties of, see Haid 
inger’s article in Pogg. "Ann., Ixxvii, 94, and Descloizeaux, Ann, des Mines, xiv, (1858.) 
Apatire [p. 896, I—VIT].—A seen of cite ts aa from Pfitsch- 
Thal in Tyrol is given by G. vom Pogg. Ann, cy 
Atacarre [p. 188, I, sa be V].—Bibra gives for the ee de of atacamite 
from Algo dan Bay in Boli 
me Cl iH Si 
4 16:11 12:18 U9gl = 99°60 
nw ian 1858, 740. 
Anacomre [p, 448, II, pe IV, V, VII].—Luea has described a variety of arago- 
_ occurring in the Lias o Gerfaleo in Tuscany, which he calls mossottite. The 
mineral is & prismatic ne radiated aggregate of a light green color. Sp. gr.= 
2884. On n heating crumbles and loses its color. Compost 
Ca Sr ie ii 
50:08 4°69 41: si 0" 95 0°82 tr. 1:36 = 99°33 
= sy to Marcel de Serres, the same Mp of aragonite occurs in the province 
vl variety of aragonite from Ne rtschinsk ws “been named oserskite by Breithaupt 
eit. xvii, 54). 
. Axnnrz [p, 213].—This species has been observed at Cold — in New York. 
Bisuorn [p. 20]—A specimen of native bismuth, associated with native gold, 
beg Peak at Bitiic analysed by F. A. Genth (this ag ae ora, eae, 247) con- 
Bi ‘Te Fe 
99°914 0042 tr, = 99°956 
Boracrre [p. 398, II, III, 1V].—The identity in chemical composition of boracite 
—— anf ite sha shown by Chandl er (Suppl. vi and is further "eae opporiget 4 
in K, analyses ert and Drenkmann (Zeitschrift f. d. ges. Ni: cag <M 
ate Jabesberis, 1858, 735). ae direct determinations made on ashed 
‘ad ignited mineral in seven partial analyses gave as the mean 
oe 
But 0°83 69:05 = 10020 
¥. Neu 99, in Kopp’s Jahresbericht, 1858, 
ig ct (Arch. pies [2], es 129, in Kopp’ 
oo) that the unwashed air-dried stassfurthi ieeetsied ao 
ioc 
11°75 at 5945 6-00 
(a) By the difference. 
“pales dete and Ludwig considered it a hydrous 
has ite co ang a vara mitre of cl id of areas Heintz, however, 
wn that mesg of magnesi m 
fot even after long washing vith gee ot water it contains a considera 
Cour, ewe, chlorid His hing (calculated from ote partial analyses) gave 
Chem., lxxvi, 243): 
