. Appendix to the Journals of the Senate and Assembly of the ... session of the Legislature of the State of California. s quartz, but the fact that it is decomposed by hydro-chloric acid aids as a field test to distinguish it from quartz. Caesium is a silver-white, soft, ductile metal. It oxidizes in the airwith the production of light and heat, and decomposes violently inwater at ordinary temperatures. Compounds of caesium have beenuntil recently used chiefly in chemistry, but its use has now beenextended to radio, and therefore the increased demand. Beryl has been found in a number of differ
. Appendix to the Journals of the Senate and Assembly of the ... session of the Legislature of the State of California. s quartz, but the fact that it is decomposed by hydro-chloric acid aids as a field test to distinguish it from quartz. Caesium is a silver-white, soft, ductile metal. It oxidizes in the airwith the production of light and heat, and decomposes violently inwater at ordinary temperatures. Compounds of caesium have beenuntil recently used chiefly in chemistry, but its use has now beenextended to radio, and therefore the increased demand. Beryl has been found in a number of different localities in California,but the greatest amount so far known occurs in feldspathic pegmatiteveins in Riverside and San Diego counties. It has also been reportedfrom San Bernardino and other counties. Pegmatites of these districtsmay yield pollucite, and prospectors should look for this mineral. Approximately thirty samples per day are received and determinedat this laboratory, proving that the public is showing a live and increas-ing desire to find commercial deposits of nonmetals as well as 250 REPORT OF STATE MINERALOGIST LIBRARY E. A. Lowe, Librarian. In addition to the numerous standard works, authoritative informa-tion on many phases of the mining and mineral industry is constantlybeing issued in the form of reports and bulletins by various govern-ment agencies. The library of the Division of ]\Iines and Alining contains some fivethousand selected volumes on mines, mining and allied subjects, and itis also a repository for reports and bulletins of the technical depart-ments of federal and state governments and of educational institutions,both domestic and foreign. It is not the dearth of the latter publications, but rather a lack ofknowledge of just what has been published and where the reports maybe consulted or obtained, that embarrasses the ordinary person seekingspecific information. To assist in making the public acquainted with this valuable s
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