MINERALS. 30 
CARNOTITE. 
From Montrose County, Colorado. See memoir by Hillebrand and Ransome, Ar 
Jour. Sci., 4th ser., vol. 10, p. 120. 
A, B, C. From Copper Prince claim, Roc Creek. 
D, E. From Yellow Boy claim, La Sal Creek. 
Analyses by W. F. Hillebrand. 
\ B (on D E 
Via O ib acatoscriicinseicare een otamends Doaeaiiecenddaemiatmmsaene 18.35 | 18.49 | 15.76 | 17.80 18 
ASO be ctieria dang cincie Became 25 | trace | none | none no: 
P205... 22+. 22-2 eee ee ee eee 33 .80 -40 | trace 
Si02 etree) sp jala asm ays 5 (Smt RYE cmi Tn yan Sin ai [Sos BRIERE ae BE RIS | re ocreeaae 15 -13 5.05 
DO Sure sarees meena meueies -10 - 03 (G2) aan Perens (?) 
COS scucsewsegaricncescaiwe -33 56! mone }........ no: 
SOs.s <0 tewaaceneesineeeeis ee eee (LS) |eme semen no: 
UO 8 vice -cieniepsetecemeeueesee 52.25 | 54.89 | 47.42 | 52.28 54. 
IMG OF sce ncnpaicins nia esas einen 23 18 -18 | undet 
EO gioco cecinrcsrdsicieiereews EROS. ict teen foscl| snes Meateicicinscl Sinie Gants 
Pei Ost aeeeaioueetodeonste 1.77 21 72 3. 36 
ALGO s caesctininrsiace smeencenees 1.08 09 - 08 | undet. 
PbO vsacsiinseeseramacaee 25 13 - 18 | undet. 
CU Disa escicrensesarsievaie ae Rinanrs 20 15 22 | sawn tra 
CaO xccspamsicteyaesieemes 2.85 3. 34 2.57 1.85 
GrO) ue ereaecenaicemanees pci sharatats seems mnciaicnecreerctoateniareneiayal| Someta Serene -02 ()) ae eee tra 
BaO).. cnc acceackoengias 72 -90 -65 3.21 2. 
ME OK cc arnsmcisscnsentence 20 22 24 17 
IG Ogg axe Sea eee peatragcnass ith none | trace (?) trace tra 
IN BO eeesoraersedeernia nomen 14 -07 07 
Ke scics cainsiesacokamiesene 6.73 6. 52 6. 57 5. 32 5. 
17 0) 28 1 oe ee 2. 59 2. 43 1.85 4.52 3 
H.0 above 105° 3.06 2.11 2.79 3. 87 2, 
TMSO]WDI1 Gs accents cteapere cya cskere wvsastterarmatsle nance mmiaates aipieniatacmreimettinls sie 8.34 GUO.) F900 Ni ccc. se 10. 
99.84 | 98.46 |} 99.01 | 97.50 99 
XIV. ARSENATES AND ANTIMONATES., 
OLIVENITE. 
From the American Eagle mine, Tintic mining district, Utah. Described b 
Hillebrand in Bull. 20. Analysis by W. F. Hillebrand. 
ERINITE. 
From the Mammoth mine, Tintic district, Utah. Described by Hillebrand an 
Washington in Bull. 55. Analyses by W. F. Hillebrand. 
