MINERALS. 277 
DANBURITE. 
From Russell, New York. Analysis by J. E. Whitfield. See Bull. 55. 
BO 8s id crsiepi titncienas aheslerses Sepmenencct ical cichscy sess dace ativan tute senscnescnis Deveteedeiok ewes ehee 49. 70 
BOs a esnerre nine ele acvapiereras a...6 cnr ee parame SaiouretrnearunalnbSankeRianaledle'e Saige 25. 80 
CAO acerca seen px cee cies sas cheng xr tecn tenses ria dale Bc lexloce cm goetei 23. 26 
Hea Oy A laQ ise ahs cseccrinever tra 2 3 2 aS chico atbeciexuenayscarermcrsuciawhateicoa dota otmuasautndiancts ptle vavaeloorecie 1.02 
TL GRONS sh xe escarole ups vb derstand ight ces cA enced cer obbebaod deeacceemioncona 0. 20 
99. 98 
DATOLITE. 
From Bergen Hill, New Jersey. Analysis by J. E. Whitfield. See Bull. 55. 
SIO ga cers ncn eisincrat itt: le tlaroiayee ala meme oo reac wea iaasiaain Semmeaa gues ae Sapbwaaeneadee 35.74 
BO ge aczcta toiisionvecae sa sean ret oie ane ts yapecansdeadoeaoeosaGamavocetaariadetnwaconee 22. 60 
CO cacti ce ati aarp ects ces car ezine seve ecireain ea lo is 35. 14 
HOO a cack qracade aera eV ace dead acueuincce mreeienad cauatcnmmeniavanuneisreceniat Se. 31 
Bis esscespee ton os sd oct eaniad sageiaeln andi nataurad eect entre eroeyaavateaive eee Mone aN 6.14 
99. 93 
AXINITE. 
Analyses A, B, by J. E. Whitfield, with discussion in Bull. 55. 
A. Clove brown, from Cornwall, England. Translucent. 
B. Pearl gray, from Bourg d’Oisans, Dauphiny. Transparent. 
C. From Moosa Canyon, Bonsall, San Diego County, California. 
D. From Consumnes copper mine, Amador County, California. 
Analyses C, D, by W. T. Schaller. 
A B. c D 
42.61 | 42.79 
17.43 | 16.38 
BB sintocnsie 
7.53 | 4.29 
19.74 | 19. 21 
4.10] 8.76 
44 -09 
6.04 | 26.70 
1.56] 1.85 
99.83 | 100.00 
a By difference. 
DUMORTIERITE. 
A. Harlem, New York. Analysis by R. B. Riggs. See Am. Jour. Sci., 3d ser., 
vol. 34; p. 406. Contained some tourmaline. 
B. Harlem, New York. Analysis by J. E. Whitfield. 
C. Near Clip, Yuma County, Arizona. ‘ Analysis by J. E. Whitfield. 
D. Purified sample from Clip. Analysis by Whitfield. Specific gravity a little 
over 3.265. See note by Whitfield in Bull. 60, and paper by Diller and Whitfield in 
Bull. 64. 
E, F. Two samples from Dehesa, San Diego County, California. 
15619—Bull. 419—10-——19 
