a 
tate which Sag have been phosphate of lime or alumina. The mineral was 
- White prism 
404 Fifth Supplement to Dana’s Mineralogy. 
Brenpe [p. 45, es “#4 — Analysis of a black blende from Clausthal i in dodecahe- 
dral crystals, G=4:07, by C. Kuhlemann (Zeits. f. d. g. Nat., viii, rer’ Lieb, u. Kopp, 
1856), S S 33°04, mein Fel18, Cu018, Cd 0-79, Sb0 63=1 010 
Bovrnonite [p. 80].—Mean of two analyses of the bournonite at Clcatia by C. 
Kuhlemann (Zeits, f. d. g. Nat., viii, - in Lieb. u. Kopp, 1856, p. 834) 
s Sb P Fe Mn = Qua 
18°81 23°79 40°24 is 99 2°29 O17 260210088 
The manganese and part of the iron may be a mixture. 
Catcire [p. 405, 508, and I, IT, III, 1V].—Dark brown crystals from Naeskul near 
a byes D. Forbe en etd Ph. J., (21, vi, 119), CaO 98°39, Fed 079, 
Mn 0 - 0:38, P ¢r., Siac 9 
Crystals of ealcite in n caleite a are ue ribe d by ee in a Fos < cii, oa 310, ail. fe 
Fe 0:35, Mn 008, Mg 1:45, Na 0-11, K 0-36. A second et from Mt. Cerboli, | 
consists of 6657 Gad, 1:22 MgG, with = silica, along with Al 2°17, Fe 2065, | 
Mn 035, Mg 115, Nao-19, K0-21, The Ser = pn eerie beyo 
in this Supplement is ‘from the same sg 
Cassireritz [p. 118],—Fine crystals of Tin ore occur at Pitkaranta, ee 
which according to A. E. Nordenskiold (Pogg., ci, 637) have the planes O, 4, 1 
5, 1, 4-8, 3.8, i-8, 1-4, 1-4,7-2; and to these, he states that M. Gadolin adds, 21, 
HP-42, J-4T, Z “bE ER 19 oh GQ 9, if, 1-8, 6g, FF, ids CH j 
t-22; but fee is doubt as to some of these p anes, as these unusual ratios : i 
determined fro The ich j 
afforded, 1: j==121° 49’ and 92° 66’, vertical axis ='6720. 
Cuatcopite [p. 500, and IV].—A description and analyses of pape are pub- 
lished by G. J. Brush in this volume (Am. J. Sci., [2], xxv, 198). ere are two va- 
rieties, a gtr nze and a brass-yellow; H. =]; G.==2°76. The green variety 
afforded on a alysis 
> 
Si ZI Fe Fe Mn Ga Mg Nak 
if 4506 3856 8885 —— trace trace 4°55 trace x 
2. 4551 368 3861 —— trace 028 4:57 9:22 
. 3 2092 1604 
4. 20 691 x os 
5. Mean, 45°9 862 20-47 1647 trace ea 456 trace 9°22==99 
giving the formula 2R Si+ #Si+ 3H. In Nos. 1 and 2 the iron was ee : 
that this so of structure dasge des account for its more ready dec compost re 
ie. 
ene 4 pe (111, 1V].—T, S. Hunt has examined a specin ae 
kine sent him by Prof. C. U. Shepard, and found (Am. J. Sci., xxiv, 279) ) ee i 
Phosphate of lead (pyromorphite), with less than one per cent of a w hitish p igen. 3 
white 
Lorite (includi mange Ata paoneee Clinochlore, Leuchtenbergite) [P- 295, 
Vi The ine and Leuchte 
Joi- 
208 aod TT, a 25 ite, examined by Dese 
seaux (see Guppl. TV. ie togieda bo ial te vhombohedral (Ans. d. M, x, 261) 
