Experiments relative to the constitution of pectolite, pyrophyllite, calamine,
and analcite, by F. W. Clarke and George Steiger
The constitution of tourmaline, by F. W. Clarke
The colorimetric estimation of small amounts of chromium, with special
reference to the analysis of rocks and ores, by W. F. Hillebrand .
Volumetric estimation of vanadium in presence of small amounts of chromium,
with special reference to the analysis of rocks and ores, by W. F. Hille-
brand
Distribution and quantitative occurrence of vanadium and molybdenum in
rocks of the United States, by W. F. Hillebrand.....
Warning against the use of fluoriferous hydrogen peroxide in estimating
titanium, by W. F. Hillebrand.
Mineralogical notes, by W. F. Hillebrand
1. Calaverite from Cripple Creek, Colorado
2. Tellurides from California.....
3. Hessite from Mexico ....
4. Covellite and enargite from Montana
5. Tysonite and bastnäsite.