Fifth Supplement to Dana’s Mineralogy. 414 
Ura pre Ones, gaol. has published the following on the Uranium ores of Joa- 
chimsthal i lin his Min. Joach., p. 95. 
cee i vi 107, and IV}. —A black variety from the Elias mine has G.=7-08 
gives water and jetobiivoas acid and becomes brown and fin ally bla x BB, on 
coal, gives sulphur fumes and a scoria of black color and dull green streak. ‘analjale 
&ccording to Lindaker (mean of two tria als): 
8 0 an ms Be tt 
20°02 67-72 5-99 020 5 59=99°52 
Hence the formula 2(0 8) 8+OuS4+4H—5 19°37, OF 68-40, Ou 6-43, H 580=100. 
The formula might be written Ou2S4 2038+ 688+ 121, and correspond either 
to 8(30* 43 €)S+6u3} 5+12H, or R88 +2h S+4H —:. v. v.] 
“age Sulphate.—Oceurs in soft globular and nodular coatings, earthy in appear- 
ance, of a pistachio or Ri cig green color, and pale or ata streak, There 
isa lime and a copper variety. Lindaker vbtained for e 
: 0 8) Fe H 
1. Lime var. 12384 79°50 166 012 — §:49=-99:11 
“Oy Copper var, 12°13 7969 005 086 224 65 25=99%72 
nee the formula 2(0 #)382-+4-(Ga, Gu) S+-10H. [This formula may be written 
eae +(Cu, Ca) $+10H, or, regarding the sulphate of copper and lime as 
unessential (1158 +36)eS4 Aq. On the view here taken, the Johannite comes under 
the Bs. formula (R*, #)S+ Aq, and the basic uipeets, under the formula 
(Re, # ++ Aq. In the former the rativ of R* to & is 1: 2, in the latter 1:3. 
4 lait [p. 108, 505] ert is near Pitchblende, but is regarded by ci as 
"ey 23:86 03 sT11 Ga lb-56 28:34 =99 
whence the formula 1 0U64Cad+5H=/0. Ca) 6+4+24H. The aie ‘of carbonated 
Waters on the sulphates produces these carbonates. 
, Uranochaleite or Urangreen [Min., p. 886].—In small wine — and velvety 
Ae nsisting of acicular erystallizations — ne grass-green to apple green. 
io 
5 oe be Bee a H 
Analysis, 20°03 36 14 655 10:10 014 er 
Calculated, 20°35 35°95 6°73 950 27-4 
The calculated result re to the formula B G+CuS+20a5+1 oh 
ippeite or Uranbloom p. 461].—There are two varieties, a copper var, and one 
Without copper: the former fine sulphur-yellow in a needles or ict ae 
settes or T warty crusts; the latter lemon to orange-yel Analyses : 
t # “abe Ca H 
042 hse 5208 —— 15239-99843 
2 wa oni Mens, 13:063 67°855 0-172 0607 17:693==99°390 
st xin ate the formula CuS-+$9S2+ 12H; and the latter 3324129H. It 
Ins no 
Uranoch re ae ry er morphous earthy or scaly and of a fine lemon-yellow 
Color ; Ieooondt vee ast is orange-yellow. Analysis by Lindaker 
First 5 : ie ois ‘eben 99°578 
irst variety, 7116 70936 02 = 
Second variety, 10165 66-05% Ca 2622=99'759 
ad the formula for the first, 3675+ 14H; for the the second, CaS +2628+ 261 
Nother ariety contains oxyd of lead and manganese 
eh) st iatene ease wre all Soom Joachimsthal 
