358 Supplement to Dana’s Mineralogy. 
edge of the prism is truncated, giving the angle on the ne — — te 
These results are wide from those of Koks charoy, who describes the fi 
Curoropat or Une eaowe [p. 504].—The analysis on p. 5: of Min. is mean me 
two fag The resu afore t he oxygen ratio for the pootoxyds sl and wa- 
ter 1 Bhi: : 84,° In the or dice of Brandes and Biewend, Kenngott su theca the iron 
yee ave been protoxyd instead of paras (the latter the result of these chemists) 
and obtains thus the o wi ratio 
CHLOROPHYLLITE ger i of a crystal of chlorophyllite are given 
15].— 
by Kenngott (Min. * No. 11), and the conclusion arrived at from the sage. Oe 
it was originally iolite, a < which the unaltered iolite often assoc 
places beyond doubt. 
Curysottre [p. 184] -dadieaiiesttoa on chrysolite by Dr. Scheerer, Handw. Chem- 
Lieb. Pogg. eng 1853, 
A ting fro m an Iron Furnace at Easton, Pa., afforded Dr. C0. T. Jatkson (Proc. Am. 
Mn Mn 
1 * 
370 14°90 3°50 
Dr. Jackson observes that ae iron and manganese were Aabrgs24 al | prong and 
this gives reese formula No he wrt Si. The erystals clov color like 
axinite dral. {The = sale 3 is that Pr of chryeolite. 
Crystals of this icles and probably the none, from Easton, received by the writer 
fem Dr. E. Swift, are eo 
a macrodome of f 139° ‘40’, The first angle corresponds to the prism 1% in chry- 
solite which equals 99° 6’, and ea last approaches i2, which equals 130° 2’—p. 
Curysortt [p. 282].—Analysis of chrysotil from serpentine at pe N.J., 
by E. L, Reak eign the dreto of Dr. Genth, Ame. J J. Sci.,. [2], xv 
p- 293].—M. N. de Kok enoeelN access anaaiatie 
peiots. yon pr: of Achmatowsk, and come ti he cansiadita that the form 18 
t the species is identical with adipose which last name he 
ay for it. Noo oO opti characters are given. Akad. Wiss, St. Petersbnrg, 1854, 
and Am. J. Sci, [2], xix, 176. 
Cutxtontre [p. 297, 505].—Analyses by Plattner (Breith. Min, ii, 385) of a speci- 
men from Amity : 
Cortarrre [p. 387].—Dr. J. L, Smith obtained in his analyses the formula 
‘ J. Sei., [2], xviii, 375. 
Couzerantre [p. 206].—In aie altered agin according to esaars aa Sitzungs- 
ber. xii, 714. One specimen examined was vg t composition not ascer- 
tained ; form a sqnare or perhaps rhombic prism. H.=6°5, G.==2'85. 
Cunan [p. Acta ae by Dr. J. Lawrence dine agreeing with Prof. Booth’s, 
Am. J. Sci., 
b Aha _ pm ane gravity by a new determination, 2-958, G. J. Brash, 
alline form of the datholite of Andreasberg has 
Datnotite {p. 334].—The eryst 
been studied by R. Hess (Pogg. Ann., xciii, 880). He obtained for the inclination of 
O on it 89° 56°2/ in one crystal, and 89° 59-2 in another; and fro m_ these and. his 
e at th inw 
He obtained for 7: Z (see Min. tor te ing, and this Jour., xvii, 215) 
iS +i [The jatholite of 
ysis of crystals from the Gabro Rosso, Mt. C Caporciano, Tuscany, by Bechi, 
(Am. J. Sci., [2], xiv, 65): 
at Tee EI Bi 0852 Ca 35°341 Mg 2121 B 22-033 ig te fen) 
“iis: Bechi the leg Soe Sis abet gH? = 
B arom, Oa 9590, Mg ese sre water is a remarkable 
Pp ; Ries . [The bier 0 ‘of the 
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