Seventh Supplement to Dana’s Mineralogy. 483 
vivianite, of a sulphur- yellow, greenish ye ellow to siskin n-gree es yellowish white 
color, and bstphiteyatiow streak ; occurs penetrate foliated, with very perf 
cleavage affording thin lamella, and traces in “at other dir vesiebe,8 val at right an- 
gles to the perféct pi ih A face and the other oblique. H. =2'5 ; G.=2°523— 
2529, Reissig. Thin lamelle translucent. B.B. affords a black shining magnetic 
globule. Easily dsciatpaele by muriatic acid. ‘Analysis by M. Reissig ‘afforded— 
p 
x #e Ca Mg is 
3401 2-90 24°34 1481 2°65 20:56=99°27 
Oxygen, 19°16 1:35 127 4°23 1-06 18°27 
affording therefore as the oxygen ratio 7” the St wi oe sesquioxyds, phosphoric 
water, nearly 6:9 ee H. Occurs in nodules in a de- 
posit of clay at Battenberg in Rhenish serie The exterior o epomss 
ae Abie and yellowish brown or reddish brown, and consists of the impure 
ealci 
Cavorre [p. 435, I—VI].—A grass green cleavable calcite from Central India 
contains according to S. liubhten (Phil Mag,, [4], xvii, 16), a siliceous skeleton, 
amounting to about t 14 per cent of the wile to which it owes its green color. 
The skeleton afforded on ana lysis— 
Si Al Fe Oa Mg TH and loss 
54:59 4°74 22°84 0°94 490 11°99=100 
giving the pine i) bal 88 al Me. Aaron observes that the composition 
resembles that o e rock, which is merely a mixture of 
calcite and the Brn aaibat Hiclonite.. 
— of many limestones by J. W. Mallet are given in Tuomey’s Second Bi- 
ennial Report on the —_ ogy of Alabama; others by J. D. Whitney in Hall and 
Whitney’ s Report on Iow. 
Catperitez—See Garnet. 
Cass —The ore of the veins at tg deg near Arksut, ptreculaesl 
wines the ¢ eeyolilé oir is Sheol ated with ores of lead, Pig oe 
lybdenum, fluor o zircon, cryolite, etc. The veins vary from 10 et tng to inch inch 
in width, and in th the largest the tin ore occupies about 1 inch on one side of the 
Casretnavnire [p. 432].—See Xenotime. 
Crvotrre [p. 165].—A whitish aaa a little greasy in lustre, having G.=2319, 
ay with orthoclase in granite from agpur, — has been analyzed by S. Haugh- 
ton (Phil, Mag., [4], xvii, 18) and caaite 
Si 1 Oa ig Hi (ign.) 
65°93 20°97 0°30 0°45 11°61==99°26 
The oxygen ratio for the alumina (includi protoxyds) and silica is about 1 : 3°36. 
It is stated to to be gritty un cA agate poitle, Me Mr. Haughton ed 
species the name Hur terite. 
The species appears to be cimolite, as the characters and composition are essen- 
tially oo same, Be — under the agate pestle appears to indicate a gns 
tesiciare Of tes gs s 
Copaur, Black.—See Asbolan. 
Conic bas saat 129. 
