Seventh Supplement to Dana’s lia 131 
A hydrous alumina‘silicate— mi includes Klaproth’s analysis ad ii, 
189), Si aa ie 4, Cal, FeO 0:05, 7 10—97'50; also Lychnell and Walm: 
in 
us magnesia-silicate, or steatite. 
Under wey first group he places, besides Chin ese specimens in a first division, the 
a ond that of Och- 
nitz, analyzed by Karafiat [Min., anal. 4], and th he parophite and dysyntribite. These 
ore divisions differ in haying for the pr meal the first 1R, ‘the second 2 R, the 
a in his valuable ote fails to note that a0 jo _ beige asa 
rock and not as a papa g by FE . S. Hunt; and that dysyntribite 0 proved to 
be a rock by Smit and Bru The relation to agalmatolite is nd But 
; : s arti te) 
(this Jour.. xxvi, 64, July, 1858, and VI Suppl, p. 350), shows that this gieseckite 
In fact a potash-agalmatolite, and as it comes from the same region with the 
ed by Walmstedt.— 
nga 4 g (ths Jour., Ph xxvii, 387).—Alisonite is a sulphuret of lead 
and copper, from “ Grande, ar Coguimbo bo, Chili, It has a deep indigo-blue 
peo ema tihng on enpiaeare =610; H=25—3s. — ciated. w ith 
and Sasori and also vanadate ‘of lead and copper. 
17-0 Cu 53°63 Pb 2 peep 
corresponding to 1658 PbS, which requires Cu 53°33, Pb 28°88, S 17°77. 
Axatorme [p. —Rammelsberg has published some analyses of analeime 
in Pogg., ev, 317, ete Sas the Keres: fo — He mentions reasons for ote 
ing the analysis of von Walters! usen [Min., No. 8]. 
Apatrre [p. 396, I—VI]—An apatite from Krageroe, Norway, according to 
Vileker an Brit. Assoc., Dublin, 1857) contains no fluorine. 
one-fifth to one line through, The - ii Sa are J, #4, +1, en 1, % Ee; +38 ae 
$e $2, $9, 22, “ae 22, 27-27, y measurement, J pada 
1:1=143° 36’. sgaleulation, 14: pth = 34’. — 
ag odo he P cccurs near Gerfileo in Tusenny, in radiated columnar 
forms. Marcel de Sev Sass aplssouisn es the color to the oxy a Eee and iron.— 
L’ Institut, 1858, p- 351. 
_ Aspotaw or Eanray Cosatt [p. 126 of Cobalt, 
ss Ores in Gaston oly North Ca val ca ae (Am. J. Sei, ghee a xxvii, a 
a al to Descloizeanx, autunite 
. optically bat rand hee, (P.130), ¥, ERS: eae ciheaiee vi th [: E=90° 437-— 
4 Institut, 1859, 33 
